Anti-dandruff composition

Abstract

A method of providing anti-dandruff activity using a combination of an enhancer and a hair care composition wherein the enhancer comprises a scalp care active, and the hair care composition is free of the scalp care active, and wherein the enhancer comprises from about 5% to about 7% of one or more surfactants, wherein there is a deposition of a scalp care active of greater than about 0.5 [mu] g / cm < 2 >.

Description

Technical Field

[0001] This invention relates to a method for improving dandruff treatment efficacy by using a combination of an enhancer composition and a hair care composition. Background Technology

[0002] For years, anti-dandruff shampoos have been widely used to treat dandruff and cleanse hair and scalp, but improvements are still needed. A segment of consumers suffer from dandruff but are reluctant to use anti-dandruff shampoos because they dislike one or more performance aspects of typical anti-dandruff shampoos (i.e., hair feel, fragrance, etc.). Many consumers don't want to give up their favorite cosmetic shampoos that they use for their hair's beneficial effects. While today's cosmetic shampoos offer hair-beneficial effects such as shine, feel, and appearance, they don't address dandruff or flakes. Some consumers mix anti-dandruff shampoos with their preferred cosmetic shampoos when they need dandruff relief, but this doesn't deliver enough anti-dandruff active ingredients to the scalp to be effective and often results in an undesirable experience lacking one or more important properties (such as hair feel, combability, over-cleansing, fragrance, etc.). This practice dilutes the desired effects of both the cosmetic and anti-dandruff shampoos. Essentially, it is necessary to deliver consumer-perceptible dandruff-reducing efficacy from approximately one-third the dosage of standard anti-dandruff shampoos currently on the market. It has been found that hair care compositions containing low levels of surfactants with anti-dandruff active ingredients can achieve surprisingly improved deposition efficiency when mixed with cosmetic shampoos, which is essential for providing consumer-perceptible dandruff protection. Such compositions are referred to as anti-dandruff enhancers or scalp boosters. Summary of the Invention

[0003] A method of providing anti-dandruff activity using a combination of an enhancer and a hair care composition, wherein the enhancer comprises a scalp care active substance and the hair care composition does not contain a scalp care active substance, and wherein the enhancer comprises about 5% to about 7% of one or more surfactants, wherein there is a deposition of a scalp care active substance at a concentration greater than about 0.5 ug / cm2. Attached Figure Description

[0004] Figure 1 This is a graph illustrating the range of conditioning and cleaning capabilities of conventional cosmetic shampoos and the deposition efficiency of the present invention.

[0005] Figure 2 This is a graph showing the difference in deposition efficiency between leaving a regular cosmetic shampoo plus enhancer mixture on the scalp for 3 minutes versus 30 seconds. Detailed Implementation

[0006] Unless otherwise specified, all percentages and ratios used herein are by weight of the total composition. Unless otherwise specified, all measurements are to be understood as being performed under ambient conditions, where “ambient conditions” means conditions at about 25°C, at about one atmosphere, and at about 50% relative humidity. All numerical ranges are narrower ranges including endpoints; the upper and lower limits of the ranges described are combinable to form additional ranges not explicitly described.

[0007] The compositions of the present invention may comprise, and optionally comprise, the basic components described herein, as well as optional ingredients, substantially comprising or consisting of them. As used herein, “substantially comprising” means that the composition or component may contain additional ingredients, provided that the additional ingredients do not substantially alter the essential and novel characteristics of the composition or method protected by the claims.

[0008] As used with respect to the composition, “apply” or “spread” means applying or spreading the composition of the present invention onto keratinized tissue such as hair.

[0009] "Dermatologically acceptable" means that the composition or component is suitable for contact with human skin tissue without undue toxicity, incompatibility, instability, allergic response, etc.

[0010] "Safe and effective amount" refers to an amount of compound or composition that is sufficient to significantly induce positive and beneficial effects.

[0011] Although this specification concludes with the claims that specifically point out and clearly claim protection for the invention, it is believed that the invention will be better understood through the following description.

[0012] As used in this article, the term "fluid" includes both liquids and gels.

[0013] As used herein, when used in claims, the articles including “a” and “an” should be understood to refer to one or more substances protected or described in the claims.

[0014] As used herein, “comprising” means other steps and other components that may be added without affecting the final result. This term encompasses both the terms “consisting of” and “substantially consisting of”.

[0015] As used herein, “mixture” is intended to include simple combinations of materials and any compounds that may result from such combinations.

[0016] As used herein, unless otherwise specified, “molecular weight” refers to weight-average molecular weight. Molecular weight is measured using industry-standard methods, gel permeation chromatography (“GPC”).

[0017] Given a range of quantities, these should be understood as the total amount of the components described in the composition, or, if more than one substance falls within the range of the component definition, the total amount of all components in the composition conforms to that definition.

[0018] For example, if a composition contains 1% to 5% fatty alcohol, a composition containing 2% stearyl alcohol and 1% cetyl alcohol and no other fatty alcohols will fall within this range.

[0019] The amount of each specific component or mixture thereof described below may account for up to 100% (or 100%) of the total amount of components in the reinforcing agent.

[0020] As used herein, "personal care composition" includes liquid compositions such as shampoos, body gels, liquid hand cleansers, hair colorants, facial cleansers, and other surfactant-based liquid compositions.

[0021] As used herein, the terms “including,” “comprising,” and “containing” are intended to be non-restrictive and are understood to mean “having,” “possessing,” and “covering,” respectively.

[0022] Unless otherwise specified, all percentages, parts and ratios are based on the total weight of the compositions of the present invention. All these weights relating to the listed ingredients are based on the level of active substance and therefore do not include carriers or byproducts that may be contained in commercially available materials.

[0023] Unless otherwise stated, all component or composition levels refer to the active portion of the component or composition and do not include impurities, such as residual solvents or byproducts, that may be present in such components or compositions from commercially available sources.

[0024] It should be understood that each maximum numerical limit given throughout this specification includes each lower numerical limit, as such lower numerical limits are explicitly stated herein. Each minimum numerical limit given throughout this specification will include each higher numerical limit, as such higher numerical limits are explicitly stated herein. Each numerical range given throughout this specification will include each narrower numerical range falling within such a wider numerical range, as all such narrower numerical ranges are explicitly stated herein.

[0025] How to use

[0026] In this invention, the enhancer can be placed in one hand and then combined and mixed with the hair care composition in a second hand, and then applied to the hair / scalp. Alternatively, the hair care composition can be placed on the hair / scalp, followed by the enhancer, which is then mixed and foamed with the hair care composition. The enhancer can also be applied to the hair / scalp alone without being combined with the hair care composition. Alternatively, the enhancer can be placed in a hair care composition container and mixed together before application to the hair / scalp.

[0027] Scalp care active ingredients

[0028] This invention may include scalp care active ingredients. These scalp care active ingredients include soluble scalp care active ingredients and scalp health agents.

[0029] a) Soluble active ingredients for scalp care

[0030] Soluble scalp care active ingredients and / or anti-dandruff agents may be a material or mixture selected from the group consisting of: azoles, such as clomibazole, ketoconazole, itraconazole, econazole and neoconazole; hydroxypyridinones, such as oxymetholone (pyrrolidone ethanolamine), ciclopirox, lilopiprox and MEA-hydroxyoctyloxypyridinone; keratolytic agents, such as salicylic acid and other hydroxy acids; agaricone, such as pyraclostrobin; and metal chelating agents, such as 1,10-phenanthroline.

[0031] In this invention, the azole antimicrobial agent may be an imidazole, selected from the group consisting of: benzimidazole, benzothiazole, bifonazole, butanazole nitrate, clotrimazole, clotrimazole, kluconazole, epconazole, econazole, neoconazole, fenteconazole, fluconazole, flutriazole, isoconazole, ketoconazole, lanoconazole, metronidazole, miconazole, neconazole, omeconazole, oxiconazole nitrate, sertaconazole, thioconazole nitrate, thiaconazole, thiazole, and mixtures thereof; or the azole antimicrobial agent may be a triazole, selected from the group consisting of: terconazole, itraconazole, and mixtures thereof. The azole antimicrobial agent may be ketoconazole. Additionally, the sole antimicrobial agent may be ketoconazole.

[0032] Soluble antidandruff agents may be present in amounts of about 0.01% to 10%, about 0.1% to about 9%, about 0.25% to 8%, and about 0.5% to 6%. Soluble antidandruff agents may be surfactant-soluble, and thus may be surfactant-soluble antidandruff agents.

[0033] b) Scalp health products

[0034] In this invention, one or more scalp health agents may be added to provide beneficial scalp effects and / or antifungal / dandruff-reducing efficacy. This group of materials is varied and provides a broad range of beneficial effects, including moisturizing, barrier-improving, antifungal, antimicrobial, and antioxidant agents, antipruritic and sensory agents, and additional antidandruff agents such as polyvalent metal salts of pyrithione, non-limiting examples including zinc pyrithione (ZPT) and copper pyrithione, sulfur, or selenium sulfide. Such scalp health agents include, but are not limited to: vitamins E and F, salicylic acid, niacinamide, caffeine, panthenol, zinc oxide, zinc carbonate, basic zinc carbonate, glycols, glycolic acid, PCA, PEG, erythritol, glycerin, triclosan, lactate, hyaluronic acid esters, allantoin and other ureas, betaine, sorbitol, glutamate, xylitol, menthol, menthyl lactate, isocyclic ketones, benzyl alcohol, and compounds comprising the following structures:

[0035]

[0036] R1 is selected from H, alkyl, aminoalkyl, and alkoxy;

[0037] Q = H2, O, -OR1, -N(R1)2, -OPO(OR1) x -PO(OR1) x -P(OR1) x , where x = 1-2;

[0038] V = NR1, O, -OPO(OR1) x -PO(OR1) x -P(OR1) x , where x = 1-2;

[0039] W = H2, O;

[0040] For n=0, X and Y are independently selected from H, aryl, and naphthyl groups;

[0041] For n ≥ 1, X and Y = aliphatic CH2 or aromatic CH, and Z is selected from aliphatic CH2, aromatic CH, or heteroatom;

[0042] A = lower alkoxy, lower alkathiol, aryl, substituted aryl, or fused aryl; and

[0043] Stereochemistry can change at the location marked with *.

[0044] And natural extracts / oils, including peppermint oil, spearmint, argan oil, jojoba oil and aloe vera.

[0045] In this invention, the scalp care active ingredient in the enhancer may be in encapsulated form. In one aspect, the capsule may comprise: melamine, polyacrylamide, organosilicon, silica, polystyrene, polyurea, polyurethane, polyacrylate-based materials, gelatin, styrene-malic anhydride, polyamide, aromatic alcohols, polyvinyl alcohol, fatty alcohols, polysaccharides, waxes, hydrogenated vegetable oils, and other materials known to those skilled in the art. In one aspect, the polyurea may comprise cross-linked ureas, such as ureas cross-linked with formaldehyde, ureas cross-linked with glutaraldehyde, and mixtures thereof. In one aspect, the polysaccharide may comprise gelatin, agar, alginate, chitosan, cellulose, glycogen, hyaluronic acid, dextran, xylan, inulin, pectin, and mixtures thereof. In one aspect, the polysaccharide may be cross-linked. Suitable cross-linking agents may include calcium chloride, calcium carbonate, isocyanates, glutaraldehyde, and mixtures thereof. Non-limiting examples of encapsulants may include water (and), glycerin (and), 1,2-hexanediol (and), agar (and), cetyl oleoresin (and), sorbitol olive oil ester (and), Cl 77007 (and), Sphingomonas fermentation extract (and), and alginate. Typically, anti-dandruff or scalp care active ingredients may be present in encapsulated form at concentrations ranging from 1% to 5% by weight based on the total formulation weight, and even up to 50% by weight or higher, depending on the chemical properties of the material to be encapsulated and the encapsulation structure itself. Non-limiting examples of encapsulants containing anti-dandruff or scalp care active ingredients may include water (and), glycerin (and), 1,2-hexanediol (and), piroctone olamine (and), agar (and), cetyl oleoresin (and), sorbitol olive oil ester (and), Cl 77007 (and), Sphingomonas fermentation extract (and), and alginate. In this invention, the composition may contain up to 90%, up to 10%, up to 5%, or up to 1% encapsulating material.

[0046] In this invention, the reinforcing agent can be transparent or clear. As used herein, the terms "clear" or "transparent" mean that the percentage of transparency (T%) of the composition at 600 nm is at least about 70% transmittance. The T% at 600 nm can be about 70% to about 100%, about 80% to about 100%, or about 90% to about 100%. In this invention, the percentage of transparency (T%) at 600 nm can be at least about 80% transmittance; the percentage of transparency (T%) at 600 nm can be at least about 90% transmittance.

[0047] In this invention, the reinforcing agent may be translucent or opaque. The transparency of the composition is measured by ultraviolet / visible (“UV / VIS”) spectrophotometry, and the absorption or transmission of UV / VIS light by the sample is determined using the Gretag Macbeth Colorimeter. It has been shown that a light wavelength of 600 nm is sufficient to characterize the transparency of the composition.

[0048] Detergent surfactants

[0049] The enhancer may comprise more than about 1% by weight of a surfactant system that provides cleaning properties to the composition, or may comprise more than 5% by weight of a surfactant system that enables the dissolution of scalp care active ingredients and provides a transparent appearance to the composition. The surfactant system comprises anionic surfactants and / or combinations of anionic surfactants and / or combinations of anionic surfactants with auxiliary surfactants selected from the group consisting of amphoteric, zwitterionic, nonionic, and mixtures thereof. Various examples and descriptions of detergency surfactants are set forth in U.S. Patent No. 8,440,605, U.S. Patent Application Publication No. 2009 / 155383, and U.S. Patent Application Publication No. 2009 / 0221463, the entire contents of which are incorporated herein by reference.

[0050] The reinforcing agent may contain one or more surfactants, ranging from about 0.5% to about 8% by weight, from about 1% to about 7% by weight, from about 5% to about 7% by weight, and / or from about 6% to about 7% by weight.

[0051] Suitable anionic surfactants for use in the composition are alkyl sulfates and alkyl ether sulfates. Other suitable anionic surfactants are water-soluble salts of organic sulfuric acid reaction products. Other suitable anionic surfactants are reaction products of fatty acids esterified with ethanesulfonate and neutralized with sodium hydroxide. Other similar anionic surfactants are described in U.S. Patents 2,486,921, 2,486,922, and 2,396,278, the entire contents of which are incorporated herein by reference.

[0052] Exemplary anionic surfactants used in reinforcing agents include ammonium lauryl sulfate, ammonium lauryl polyoxyethylene ether sulfate, C10-15 alkyl polyoxyethylene ether sulfate, C10-15 alkyl ammonium sulfate, C11-15 alkyl ammonium sulfate, decyl ammonium sulfate, decyl polyoxyethylene ether sulfate, undecyl ammonium sulfate, undecyl polyoxyethylene ether sulfate, triethylamine lauryl sulfate, triethylamine lauryl polyoxyethylene ether sulfate, triethanolamine lauryl sulfate, triethanolamine lauryl polyoxyethylene ether sulfate, monoethanolamine lauryl sulfate, monoethanolamine lauryl polyoxyethylene ether sulfate, diethanolamine lauryl sulfate, diethanolamine lauryl polyoxyethylene ether sulfate, sodium monolaurate sulfate, sodium lauryl sulfate, sodium lauryl polyoxyethylene ether sulfate, C10-15 alkyl polyoxyethylene ether sulfate, C10-15 alkyl sulfate, and C11-15 alkyl sulfate. Sodium, sodium decyl sulfate, sodium decyl polyoxyethylene ether sulfate, sodium undecyl sulfate, sodium undecyl polyoxyethylene ether sulfate, potassium lauryl sulfate, potassium lauryl polyoxyethylene ether sulfate, C10-15 alkyl polyoxyethylene ether sulfate, C10-15 alkyl sulfate, C11-15 alkyl sulfate, potassium decyl sulfate, potassium decyl polyoxyethylene ether sulfate, potassium undecyl sulfate, potassium undecyl polyoxyethylene ether sulfate, sodium lauryl sarcosinate, sodium lauroyl sarcosinate, lauryl sarcosinate, cocoyl sarcosinate, ammonium cocoyl sulfate, ammonium lauroyl sulfate, sodium cocoyl sulfate, sodium lauroyl sulfate, potassium cocoyl sulfate, potassium lauryl sulfate, triethanolamine lauryl sulfate, triethanolamine lauryl sulfate, monoethanolamine cocoyl sulfate, monoethanolamine lauryl sulfate, sodium tridecylbenzenesulfonate, sodium dodecylbenzenesulfonate, sodium cocoyl hydroxyethyl sulfonate, and combinations thereof. The anionic surfactant can be sodium lauryl sulfate or sodium lauryl polyoxyethylene ether sulfate.

[0053] The compositions of the present invention may further comprise anionic surfactants selected from the group consisting of:

[0054] a)R1 O(CH2CHR3O) y SO3M;

[0055] b)CH3 (CH2) z CHR2 CH2 O (CH2 CHR3O) y SO3M; and

[0056] c) Their mixture.

[0057] Where R1 represents CH3 (CH2) 10 R2 represents H or a hydrocarbon group containing 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R2 is 8, R3 is H or CH3, y is 0 to 7, when y is not zero (0), the average value of y is about 1, and M is a monovalent or divalent positively charged cation.

[0058] Suitable anionic alkyl sulfate and alkyl ether sulfate surfactants include, but are not limited to, those having branched alkyl chains, synthesized from C8 to C18 branched alcohols optionally consisting of the group consisting of: Guerbert alcohols, aldol-derived alcohols, carbonyl synthetic alcohols, FT carbonyl synthetic alcohols, and mixtures thereof. Non-limiting examples of 2-alkyl branched alcohols include: carbonyl synthetic alcohols such as 2-methyl-1-undecanol, 2-ethyl-1-decanol, 2-propyl-1-nonanol, 2-butyl-1-octanol, 2-methyl-1-dodecanol, 2-ethyl-1-undecanol, 2-propyl-1-decanol, 2-butyl-1-nonanol, 2-pentyl-1-octanol, 2-pentyl-1-heptanol, and those sold under the trade name: LIAL ® (Sasol), ISALCHEM ® (Sasol) and NEODOL ® (Shell); and alcohols derived from Gerbert and aldol condensation, such as 2-ethyl-1-hexanol, 2-propyl-1-butanol, 2-butyl-1-octanol, 2-butyl-1-decanol, 2-pentyl-1-nonanol, 2-hexyl-1-octanol, 2-hexyl-1-decanol, and those marketed under the trade name ISOFOL ® Those sold by (Sasol) or as alcohol ethoxylates and alkoxylates under the trade name LUTENSO SOL XP ® (BASF) and LUTENSOL XL ® Those sold by BASF.

[0059] Anionic alkyl sulfates and alkyl ether sulfates may also include those synthesized from C8 to C18 branched alcohols derived from butene or propylene, under the trade name EXXAL. ™ (Exxon) and Marlipal ® (Sasol) is available for sale. This includes anionic surfactants of the subtype of tridecyl polyoxyethylene ether-n sodium sulfate (STnS), wherein n is between about 0.5 and about 3.5. Exemplary surfactants of this subtype are tridecyl polyoxyethylene ether-2 sodium sulfate and tridecyl polyoxyethylene ether-3 sodium sulfate. The compositions of the present invention may also contain sodium tridecyl sulfate.

[0060] The compositions of the present invention may further comprise anionic alkyl and alkyl ether sulfosuccinates and / or dialkyl and dialkyl ether sulfosuccinates, and mixtures thereof. The dialkyl and dialkyl ether sulfosuccinates may be C6-15 straight-chain or branched dialkyl or dialkyl ether sulfosuccinates. The alkyl moiety may be symmetrical (i.e., the same alkyl moiety) or asymmetrical (i.e., different alkyl moiety). Non-limiting examples include: disodium lauryl sulfosuccinate, disodium lauryl polyoxyethylene ether sulfosuccinate, sodium bis(tridecyl) sulfosuccinate, sodium dioctyl sulfosuccinate, sodium dihexyl sulfosuccinate, sodium dicyclohexyl sulfosuccinate, sodium dipentyl sulfosuccinate, sodium diisobutyl sulfosuccinate, straight-chain bis(tridecyl) sulfosuccinates, and mixtures thereof.

[0061] The reinforcing agent may include an auxiliary surfactant. This auxiliary surfactant may be selected from the group consisting of free amphoteric surfactants, amphoteric surfactants, nonionic surfactants, and mixtures thereof. The auxiliary surfactant may include, but is not limited to, lauramidopropyl betaine, cocamidopropyl betaine, lauramidohydroxysulfonate, sodium lauroamphoacetate, disodium cocoamphodiacetate, cocoamide monoethanolamide, and mixtures thereof.

[0062] The enhancer may also contain, by weight, 0.25% to about 7%, about 0.5% to about 6%, about 1% to about 5%, about 2% to about 4% of one or more amphoteric auxiliary surfactants, zwitterionic auxiliary surfactants, nonionic auxiliary surfactants, or mixtures thereof.

[0063] Suitable amphoteric or zwitterionic surfactants used in this document include those known for use in shampoos or other hair care cleaning agents. Non-limiting examples of suitable zwitterionic or zwitterionic surfactants are described in U.S. Patent Nos. 5,104,646 and 5,106,609, the entire contents of which are incorporated herein by reference.

[0064] Suitable amphoteric auxiliary surfactants for use in compositions include those surfactants described as derivatives of aliphatic secondary and tertiary amines, wherein the aliphatic group may be linear or branched, and wherein one of the aliphatic substituents contains about 8 to about 18 carbon atoms, and one of the aliphatic substituents contains an anionic group, such as a carboxyl group, sulfonate group, sulfate group, phosphate group, or phosphonate group. Suitable amphoteric surfactants include, but are not limited to, those selected from the group consisting of: sodium cocoaminopropionate, sodium cocoaminodipropionate, sodium cocoamphoacetate, sodium cocoamphodiacetate, sodium cocoamphohydroxypropyl sulfonate, sodium cocoamphopropionate, sodium zeinylamphopropionate, sodium laurylaminopropionate, sodium lauroylamphoacetate, sodium lauroylamphodiacetate, sodium lauroylamphohydroxypropyl sulfonate, sodium lauroylamphopropionate, sodium zeinylamphopropionate, sodium lauryliminodipropionate, and ammonium cocoaminopropionate. Ammonium cocoaminopropionate, Ammonium cocoamphoacetate, Ammonium cocoamphodiacetate, Ammonium cocoamphohydroxypropyl sulfonate, Ammonium cocoamphopropionate, Ammonium zearalenone, Ammonium laurylaminopropionate, Ammonium lauroamphoacetate, Ammonium lauroamphodiacetate, Ammonium lauroamphohydroxypropyl sulfonate, Ammonium lauroamphopropionate, Ammonium zearalenone, Ammonium lauryliminopropionate, Triethanolamine cocoaminopropionate, Triethanolamine cocoaminopropionate, Triethanolamine cocoamphoacetate, Triethanolamine cocoamphohydroxypropyl sulfonate, Ammonium cocoaminopropionate Triethanolamine sulfonate, Triethanolamine cocoamphopropionic acid, Triethanolamine zearalenone propionic acid, Triethanolamine laurylaminopropionic acid, Triethanolamine lauroylamphoacetic acid, Triethanolamine lauroylamphohydroxypropyl sulfonic acid, Triethanolamine lauroylamphopropionic acid, Triethanolamine zearalenone propionic acid, Triethanolamine lauryliminodipropionic acid, Triethanolamine cocoamphodipropionic acid, Disodium decanoylamphodiacetate, Disodium decanoylamphodipropionic acid, Disodium octanoylamphodiacetate, Disodium octanoylamphodipropionic acid, Disodium cocoamphocarboxyethylhydroxypropyl sulfonate Disodium cocoamphodiacetate, disodium cocoamphodiapropionate, disodium dicarboxyethyl cocopropanediamine, disodium lauryl polyoxyethylene ether-5-carboxyamphodiacetate, disodium lauryliminodiapropionate, disodium lauroylamphodiacetate, disodium lauroylamphodiapropionate, disodium oleylamphodiapropionate, disodium PPG-2-isodecyl alcohol polyether-7-carboxyamphodiacetate, laurylaminopropionic acid, lauroylamphodiapropionic acid, laurylaminopropylglycine, lauryl diethylenediaminoglycine, and mixtures thereof.

[0065] The composition may include a zwitterionic auxiliary surfactant, wherein the zwitterionic surfactant is a derivative of an aliphatic quaternary ammonium, phosphonium, and sulfonium compound, wherein the aliphatic group may be linear or branched, and wherein one of the aliphatic substituents contains about 8 to about 18 carbon atoms, and one of the aliphatic substituents contains an anionic group, such as a carboxyl group, sulfonate group, sulfate group, phosphate group, or phosphonate group. Amphoteric surfactants may be selected from the group consisting of: cocamidopropyl betaine, cocamidopropylamine oxide, cocamidopropyl betaine, cocamidopropyl dimethylaminohydroxypropyl hydrolyzed collagen, cocamidopropyl dimethylaminohydroxypropyl hydrolyzed collagen, cocamidopropyl hydroxysulfonyl betaine, cocamidopropyl amphoteric propionate, cocamidopropyl betaine, cocamidopropyl hydroxysulfonyl betaine, cocamidopropyl betaine, cocamidopropyl betaine, lauryl betaine, lauryl hydroxysulfonyl betaine, lauryl sulfonyl betaine, and mixtures thereof.

[0066] Nonionic surfactants suitable for use in this invention include those described in McCutcheion's "Detergents and Emulsifiers" North American edition (1986, Allured Publishing Corp.) and McCutcheion's "Functional Materials" North American edition (1992). Nonionic surfactants suitable for use in the personal care compositions of this invention include, but are not limited to, polyoxyethylene alkylphenols, polyoxyethylene alcohols, polyoxyethylene polypropylene glycol, glycerides of alkanonic acids, polyglycerides of alkanonic acids, propylene glycol esters of alkanonic acids, sorbitan esters of alkanonic acids, polyoxyethylene sorbitan esters of alkanonic acids, polyoxyethylene glycol esters of alkanonic acids, polyoxyethylene alkanonic acids, alkanolamides, N-alkylpyrrolidones, alkyl glycosides, alkyl polyglucosides, alkylamine oxides, and polyoxyethylene siloxanes.

[0067] The auxiliary surfactant may be a nonionic surfactant selected from the following alkanolamide groups: cocamide, cocamide methyl MEA, cocamide DEA, cocamide MEA, cocamide MIPA, lauramide DEA, lauramide MEA, lauramide MIPA, tetradecamide DEA, tetradecamide MEA, PEG-20 cocamide MEA, PEG-2 cocamide, PEG-3 cocamide, PEG-4 cocamide, PEG-5 cocamide, PEG-6 cocamide, PEG-7 cocamide, PEG-3 lauramide, PEG-5 lauramide, PEG-3 oleamide, PPG-2 cocamide, PPG-2 hydroxyethyl cocamide, PPG-2 hydroxyethyl isostearamide, and mixtures thereof.

[0068] Representative polyoxyethylene alcohols include those with alkyl chains in the C9-C16 range and having about 1 to about 110 alkoxy groups, including but not limited to lauryl polyoxyethylene ether-3, lauryl polyoxyethylene ether-23, cetyl polyoxyethylene ether-10, stearyl polyoxyethylene ether-10, stearyl polyoxyethylene ether-100, behenyl polyoxyethylene ether-10, and those that may be traded under the name Neodol. ® 91. Neodol ® 23. Neodol ® 25. Neodol ® 45. Neodol ® 135. Neodo ® l 67、Neodol ® PC 100, Neodol ® PC 200, Neodol ® PC 600 is obtained commercially from Shell Chemicals (Houston, Texas), as well as mixtures thereof.

[0069] It is also available for commercial purchase and can be obtained through Brij ® Polyoxyethylene fatty ethers obtained from Uniqema (Wilmington, Delaware), including but not limited to Brij ® 30. Brij ® 35. Brij ® 52. Brij ® 56. Brij ® 58. Brij ® 72. Brij ® 76. Brij ® 78. Brij ® 93. Brij ® 97. Brij ® 98. Brij ® 721, and their mixtures.

[0070] Suitable alkyl glycosides and alkyl polyglucosides can be represented by the formula (S)nOR, where S is the sugar moiety such as glucose, fructose, mannose, galactose, etc.; n is an integer from about 1 to about 1000; and R is a C8-C30 alkyl group. Examples of long-chain alcohols from which the alkyl group can be derived include decanol, lauryl alcohol, tetradecyl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, etc. Examples of these surfactants include alkyl polyglucosides, where S is the glucose moiety, R is a C8-20 alkyl group, and n is an integer from about 1 to about 9. Commercially available examples of these surfactants include those marketed under the trade name APG.® 325 CS, APG ® 600 CS and APG ® 625 CS) were purchased from Cognis (Ambler, Pa) as decyl polyglucoside and lauryl polyglucoside. Also used in this article are sucrose ester surfactants such as sucrose cocoate and sucrose lauryl ester, as well as those marketed under the trade name Triton. ™ BG-10 and Triton ™ CG-110 was purchased from The Dow Chemical Company (Houston, Tx) as an alkyl polyglucan.

[0071] Other nonionic surfactants suitable for use in this invention are glycerides and polyglycerides, including but not limited to, glyceryl monoesters, glyceryl monoesters of C12-22 saturated, unsaturated and branched fatty acids such as glyceryl oleate, glyceryl monostearate, glyceryl monopalmitate, glyceryl behenate, and mixtures thereof, and polyglycerides of C12-22 saturated, unsaturated and branched fatty acids such as polyglyceryl-4 isostearate, polyglyceryl-3 oleate, polyglyceryl-2-sesquioleate, diisostearyl triglyceride, diglyceryl monooleate, tetraglyceryl monooleate, and mixtures thereof.

[0072] Other nonionic surfactants that can be used in this article are sorbitol esters. Sorbitol esters of C12-22 saturated, unsaturated, and branched fatty acids are suitable for use in this article. These sorbitol esters typically comprise mixtures of monoesters, diesters, trimers, etc. Representative examples of suitable sorbitol esters include sorbitol monolaurate (SPAN). ® 20) Sorbitol monopalmitate (SPAN) ® 40) Sorbitol monostearate (SPAN) ® 60) Sorbitol Tristearate (SPAN) ® 65) Sorbitol monooleate (SPAN) ® 80), Sorbitol trioleate (SPAN) ® 85), and sorbitol isostearate.

[0073] Also applicable to this article are alkoxylated derivatives of sorbitol esters, including but not limited to polyoxyethylene (20) sorbitol monolaurate (Tween) esters, all purchased from Uniqema. ® 20), Polyoxyethylene (20) dehydrated sorbitan monopalmitate (Tween ® 40), Polyoxyethylene (20) dehydrated sorbitan monostearate (Tween) ®60), Polyoxyethylene (20) dehydrated sorbitan monooleate (Tween) ® 80), Polyoxyethylene (4) dehydrated sorbitol monolaurate (Tween ® 21) Polyoxyethylene (4) dehydrated sorbitan monostearate (Tween ® 61) Polyoxyethylene (5) dehydrated sorbitan monooleate (Tween ® 81), and their mixtures.

[0074] Also applicable to this article are alkylphenol ethoxylates, including but not limited to nonylphenol ethoxylates (Tergitol, purchased from The Dow Chemical Company (Houston, Tx.)). ™ NP-4, NP-6, NP-7, NP-8, NP-9, NP-10, NP-11, NP-12, NP-13, NP-15, NP-30, NP-40, NP-50, NP-55, NP-70) and octylphenol ethoxylate (Triton, purchased from The Dow Chemical Company (Houston, TX)). ™ X-15, X-35, X-45, X-114, X-100, X-102, X-165, X-305, X-405,

[0075] Also applicable to this article are tertiary alkylamine oxides, including lauryl amine oxides and cocoyl amine oxides.

[0076] Non-limiting examples of other anionic surfactants, amphoteric surfactants, amphoteric surfactants and nonionic additive surfactants suitable for use in reinforcing agents are described in McCutcheon’s Emulsifiers and Detergents (1989 Yearbook, published by MC Publishing Co.) and U.S. Patents 3,929,678, 2,658,072, 2,438,091 and 2,528,378, the full text of which is incorporated herein by reference.

[0077] A suitable surfactant combination contains about 0.5% to about 30%, or about 1% to about 25%, or about 2% to about 20% of the average weight of alkyl branches.

[0078] The surfactant combination may have a cumulative average weight of about 7.5% to about 25%, or about 10% to about 22.5%, or about 10% to about 20% of C8 to C12 alkyl chain length.

[0079] The surfactant combination may have an average C8-C12 / C13-C18 alkyl chain ratio of about 3 to about 200, or about 25 to about 175.5, or about 50 to about 150, or about 75 to about 125.

[0080] cationic polymers

[0081] The reinforcing agent also comprises a cationic polymer. These cationic polymers may include at least one of the following: (a) a cationic guar gum polymer, (b) a cationic non-guar gum galactomannan polymer, (c) a cationic cassava polymer, (d) a cationic copolymer of acrylamide monomer and a cationic monomer, and / or (e) a synthetic non-crosslinked cationic polymer that may or may not form a lyotropic liquid crystal when combined with a detergency surfactant, and (f) a cationic cellulose polymer. Additionally, the cationic polymer may be a mixture of cationic polymers.

[0082] The reinforcing agent may comprise a cationic guar gum polymer, which is a cationically substituted galactomannan (guar) gum derivative. Guar gum used to prepare these guar gum derivatives is typically obtained from naturally occurring materials derived from the seeds of the guar gum plant. The guar gum molecule itself is a linear mannan branched by monosegmented galactose units on alternating mannose units at regular intervals. The mannose units are linked to each other by β(1-4) glycosidic bonds. Galactose branching occurs via α(1-6) bonds. Cationic derivatives of guar gum are obtained by reacting the hydroxyl groups of the polygalactomannan with a reactive quaternary ammonium compound. The degree of substitution of the cationic groups into the guar gum structure should be sufficient to provide the desired cationic charge density described above.

[0083] In this invention, the cationic polymer may include, but is not limited to, cationic guar polymers having the following weight-average molecular weights: less than 2,200,000 g / mol, or about 150,000 g / mol to about 2,200,000 g / mol, or about 200,000 g / mol to about 2,200,000 g / mol, or about 250,000 g / mol to about 2,500,000 g / mol, or about 300,000 g / mol to about 1,200,000 g / mol, or about 700,000,000 g / mol to about 1,000,000 g / mol. Additionally, the cationic guar polymer may have a charge density of about 0.2 meq / g to about 2.2 meq / g, or about 0.3 meq / g to about 2.0 meq / g, or about 0.4 meq / g to about 1.8 meq / g; or about 0.5 meq / g to about 1.8 meq / g.

[0084] Cationic guar polymers can have a weight-average molecular weight of less than about 1,500,000 g / mol and a charge density of about 0.1 meq / g to about 2.5 meq / g. The cationic guar polymer may have a weight-average molecular weight of less than 900,000 g / mol, or about 150,000 g / mol to about 800,000 g / mol, or about 200,000 g / mol to about 700,000 g / mol, or about 300,000 g / mol to about 700,000 g / mol, or about 400,000 g / mol to about 600,000 g / mol, or about 150,000 g / mol to about 800,000 g / mol, or about 200,000 g / mol to about 700,000 g / mol, or about 300,000 g / mol to about 700,000 g / mol, or about 400,000 g / mol to about 600,000 g / mol. The cationic guar polymer may have a charge density of about 0.2 meq / g to about 2.2 meq / g, or about 0.3 meq / g to about 2.0 meq / g, or about 0.4 meq / g to about 1.8 meq / g; or about 0.5 meq / g to about 1.5 meq / g.

[0085] Cationic guar polymers can be formed from quaternary ammonium compounds. The quaternary ammonium compounds used to form cationic guar polymers can conform to general formula 1:

[0086]

[0087] Where R 3 R 4 and R 5 It is a methyl or ethyl group; R 6 For having an epoxy alkyl group of general formula 2:

[0088]

[0089] Or R 6 For those having a halool group of general formula 3:

[0090]

[0091] Where R 7 It is a C1 to C3 alkylene group; X is chlorine or bromine, and Z is an anion, such as Cl-, Br-, I- or HSO4-.

[0092] Cationic guar polymers can conform to general formula 4:

[0093]

[0094] Where R 8 It is guar gum; and R in it4 R 5 R 6 and R 7 As defined above; and where Z is a halogen. Cationic guar polymers conform to Equation 5:

[0095]

[0096] Suitable cationic guar polymers include cationic guar derivatives, such as guar hydroxypropyltrimethylammonium chloride. Cationic guar polymers can be guar hydroxypropyltrimethylammonium chloride. Specific examples of guar hydroxypropyltrimethylammonium chloride include Jaguar, which is commercially available from Solvay. ® Series, such as Jaguar, which is available for purchase from Solvay. ® C-500. Jaguar ® C-500 has a charge density of 0.8 meq / g and a molecular weight of 500,000 g / mol. Other suitable guar hydroxypropyltrimethylammonium chloride has a charge density of approximately 1.3 meq / g and a molecular weight of approximately 500,000 g / mol, and is marketed under the trade name Jaguar. ® Optima purchased guar hydroxypropyl trimethylammonium chloride from Solvay. Other suitable guar hydroxypropyl trimethylammonium chloride is: having a charge density of about 0.7 meq / g and a molecular weight of about 1,500,000 g / mol, and marketed under the trade name Jaguar. ® Excel purchased guar hydroxypropyl trimethyl ammonium chloride from Solvay. Other suitable guar hydroxypropyl trimethyl ammonium chlorides are: guar hydroxypropyl trimethyl ammonium chloride purchased from ASI, having a charge density of about 1.1 meq / g and a molecular weight of about 500,000 g / mol; and guar hydroxypropyl trimethyl ammonium chloride purchased from ASI, having a charge density of about 1.5 meq / g and a molecular weight of about 500,000 g / mol.

[0097] Other suitable guar hydroxypropyltrimethylammonium chlorides are: Hi-Care 1000, with a charge density of about 0.7 meq / g and a molecular weight of about 600,000 g / mol, purchased from Solvay; N-Hance 3269 and N-Hance 3270, with a charge density of about 0.7 meq / g and a molecular weight of about 425,000 g / mol, purchased from ASI; N-Hance 3196, with a charge density of about 0.8 meq / g and a molecular weight of about 1,100,000 g / mol, purchased from ASI; and AquaCat CG518, with a charge density of about 0.9 meq / g and a molecular weight of about 50,000 g / mol, purchased from ASI. BF-13 is a borate-free guar gum with a charge density of about 1.1 meq / g and a molecular weight of about 800,000, and BF-17 is a borate-free guar gum with a charge density of about 1.5 meq / g and a molecular weight of about 800,000, both purchased from ASI.

[0098] The reinforcing agent of the present invention may comprise a galactomannan polymer derivative having a mannose to galactose ratio greater than 2:1 on a monomer-to-monomer basis. The galactomannan polymer derivative is selected from the group consisting of cationic galactomannan polymer derivatives and amphoteric galactomannan polymer derivatives having a net positive charge. As used herein, the term "cationic galactomannan" refers to a galactomannan polymer in which cationic groups are incorporated. The term "amphoteric galactomannan" refers to a galactomannan polymer in which cationic and anionic groups are incorporated to give the polymer a net positive charge.

[0099] Galactomannan polymers are found in the endosperm of legume seeds. Galactomannan polymers are composed of combinations of mannose monomers and galactose monomers. Galactomannan molecules are linear mannose molecules branched at regular intervals on specific mannose units with single galactose units. The mannose units are linked to each other via β(1-4) glycosidic bonds. Galactose branching occurs via α(1-6) bonds. The ratio of mannose monomers to galactose monomers varies depending on the plant variety and is also affected by climate. The non-guar gum galactomannan polymer derivatives of this invention have a mannose to galactose ratio greater than 2:1 on a monomer-to-monomer basis. Suitable mannose to galactose ratios can be greater than about 3:1, and mannose to galactose ratios can be greater than about 4:1. Analysis of the mannose to galactose ratio is well known in the art and is generally based on measurements of galactose content.

[0100] The gums used to prepare non-guar galactomannan polymer derivatives are typically obtained in the form of naturally occurring materials, such as seeds or bean-shaped fruits from plants. Examples of various non-guar galactomannan polymers include, but are not limited to, tara gum (3 parts mannose / 1 part galactose), locust bean gum or carob gum (4 parts mannose / 1 part galactose), and cinnamon gum (5 parts mannose / 1 part galactose).

[0101] Non-guar galactomannan polymer derivatives may have M. Wt. of about 1,000 to about 10,000,000 and / or about 5,000 to about 3,000,000.

[0102] The reinforcing agent of the present invention may further comprise a galactomannan polymer derivative having a cationic charge density of about 0.5 meq / g to about 7 meq / g. The galactomannan polymer derivative may have a cationic charge density of about 1 meq / g to about 5 meq / g. The degree of substitution of the cationic groups on the galactomannan structure should be sufficient to provide the desired cationic charge density.

[0103] Galactomannan polymer derivatives may be cationic derivatives of non-guar galactomannan polymers, obtained by the reaction of the hydroxyl groups of the polygalactomannan polymer with a reactive quaternary ammonium compound. Suitable quaternary ammonium compounds for forming cationic galactomannan polymer derivatives include those conforming to general formulas 1 to 5 as defined above.

[0104] The cationic non-guar galactomannan polymer derivatives formed by the above reagents are represented by general formula 6:

[0105]

[0106] Where R represents gum. Cationic galactomannan derivatives can be gum hydroxypropyltrimethylammonium chloride, which can be more specifically represented by general formula 7:

[0107]

[0108] Alternatively, the galactomannan polymer derivative may be an amphoteric galactomannan polymer derivative with a net positive charge, and when the cationic galactomannan polymer derivative also contains anionic groups, an amphoteric galactomannan polymer derivative is obtained.

[0109] Cationic non-guar galactomannan may have a mannose to galactose ratio greater than about 4:1, a molecular weight of about 1,000 g / mol to about 10,000,000 g / mol, and / or about 50,000 g / mol to about 1,000,000 g / mol, and / or about 100,000 g / mol to about 900,000 g / mol, and / or about 150,000 g / mol to about 400,000 g / mol, and a cationic charge density of about 1 meq / g to about 5 meq / g, and / or 2 meq / g to about 4 meq / g, and may be derived from cinnamon plants.

[0110] The reinforcing agent may comprise a water-soluble cationic modified starch polymer. As used herein, the term "cationic modified starch" refers to starch to which cationic groups are added before starch is degraded to a lower molecular weight, or to starch to which cationic groups are added after starch has been modified to obtain a desired molecular weight. The definition of "cationic modified starch" also includes amphoteric modified starch. The term "amphoteric modified starch" refers to starch hydrolysate to which both cationic and anionic groups are added.

[0111] The cationic modified starch polymers disclosed herein have a bound nitrogen percentage of about 0.5% to about 4%.

[0112] The cationic modified starch polymer used in the reinforcing agent may have a molecular weight of about 850,000 g / mol to about 1,500,000 g / mol and / or about 900,000 g / mol to about 1,500,000 g / mol.

[0113] The reinforcing agent may comprise a cationic modified starch polymer having a charge density of about 0.2 meq / g to about 5 meq / g, and / or about 0.2 meq / g to about 2 meq / g. Chemical modifications to obtain such charge densities include, but are not limited to, the addition of amino and / or ammonium groups to the starch molecules. Non-limiting examples of these ammonium groups may include substituents such as hydroxypropyltrimethylammonium chloride, trimethylhydroxypropylammonium chloride, dimethylstearylhydroxypropylammonium chloride, and dimethyldodecylhydroxypropylammonium chloride. See Solarek, DB, “Cationic Starches in Modified Starches: Properties and Uses” (Wurzburg, OB editor, CRC Press, Inc., Boca Raton, Fla. 1986, pp. 113-125). The cationic groups may be added to the starch before it is degraded to a lower molecular weight, or they may be added after such modifications.

[0114] Cationic modified starch polymers typically have a degree of cationic substitution of about 0.2 to about 2.5. As used herein, the “degree of substitution” of a cationic modified starch polymer is an average measure of the number of hydroxyl groups on each glucan anhydride unit derived from a substituent. Since each glucan anhydride unit has three substituted hydroxyl groups, the maximum possible degree of substitution is 3. On a molar average, the degree of substitution is expressed as the number of moles of substituents per mole of glucan anhydride unit. The degree of substitution can be determined using proton nuclear magnetic resonance spectroscopy (“sup.1H NMR”) methods well known in the art. Suitable .sup.1H NMR techniques include those described in “Observation on NMR Spectra of Starches in Dimethyl Sulfoxide, Iodine-Complexing, and Solvating in Water-Dimethyl Sulfoxide”, Qin-Ji Peng and Arthur S. Perlin, Carbohydrate Research, 160 (1987), 57-72; and “An Approach to the Structural Analysis of Oligosaccharides by NMR Spectroscopy”, J. Howard Bradbury and J. Grant Collins, Carbohydrate Research, 71, (1979), 15-25.

[0115] The starch source prior to chemical modification can be selected from a variety of sources, such as tubers, legumes, cereals, and grains. Non-limiting examples of starches from such sources may include corn starch, wheat starch, rice starch, waxy corn starch, oat starch, tapioca starch, waxy barley starch, waxy rice starch, gluten rice starch, amylopectin, potato starch, cassava starch, oat starch, sago starch, glutinous rice, or mixtures thereof.

[0116] The cationic modified starch polymer can be selected from self-degradable cationic corn starch, cationic cassava, cationic potato starch, and mixtures thereof. Alternatively, the cationic modified starch polymer is cationic corn starch and cationic cassava.

[0117] Starch may include one or more additional modifications before degradation to a lower molecular weight or after modification to a lower molecular weight. These modifications may include crosslinking, stabilization reactions, phosphorylation, and hydrolysis. Stabilization reactions may include alkylation and esterification.

[0118] Cationic modified starch polymers can be incorporated into compositions in the form of hydrolyzed starch (e.g., acid, enzyme, or alkali degradation), oxidized starch (e.g., peroxides, peracids, hypochlorites, alkalis, or any other oxidizing agents), physically / mechanically degraded starch (e.g., via thermomechanical energy input from a processing device), or combinations thereof.

[0119] The optimal form of starch is one that readily dissolves in water and forms a substantially clear solution (approximately 80% transmittance at 600 nm). The transparency of the composition was determined by ultraviolet / visible (UV / VIS) spectrophotometry using a Gretag Macbeth Colorimeter Color i 5 according to the relevant instructions, measuring the absorption or transmittance of UV / VIS light by the sample. It has been shown that a wavelength of 600 nm is sufficient to characterize the transparency of the cosmetic composition.

[0120] Suitable cationic modified starches for use in reinforcing agents are available from known starch suppliers. Also suitable for use in reinforcing agents are nonionic modified starches, which, as is known in the art, can be further derived into cationic modified starches. Other suitable modified starch feedstocks can be quaternized to produce cationic modified starch polymers suitable for use in reinforcing agents, as is known in the art.

[0121] Starch degradation process: A starch slurry is prepared by mixing granular starch in water. The temperature is raised to approximately 35°C. Then, an aqueous solution of potassium permanganate with a concentration of approximately 50 ppm based on the starch content is added. The pH is raised to approximately 11.5 with sodium hydroxide, and the slurry is thoroughly stirred to prevent starch sedimentation. Then, a hydrogen peroxide solution diluted in water to approximately 30% is added, bringing the peroxide level to approximately 1% based on the starch content. The pH is then restored to approximately 11.5 by adding additional sodium hydroxide. The reaction is completed within a period of approximately 1 to approximately 20 hours. The mixture is then neutralized with dilute hydrochloric acid. The degraded starch is recovered by filtration, followed by washing and drying.

[0122] The reinforcing agent may comprise a cationic copolymer of acrylamide monomer and cationic monomer, wherein the copolymer has a charge density of about 1.0 meq / g to about 3.0 meq / g. The cationic copolymer may be a synthetic cationic copolymer of acrylamide monomer and cationic monomer.

[0123] Cationic copolymers may include:

[0124] (i) Acrylamide monomers having the following formula AM:

[0125]

[0126] AM

[0127] Where R9 For H or C 1-4 Alkyl; and R 10 and R 11 Choose independently the following groups: H, C 1-4 Alkyl, CH2OCH3, CH2OCH2CH(CH3)2 and phenyl, or combined to form C 3-6 cycloalkyl; and

[0128] (ii) Cationic monomers conforming to formula CM:

[0129]

[0130] CM

[0131] Where k=1, each of v, v', and v'' is an independent integer from 1 to 6, w is zero or an integer from 1 to 10, and X - It is an anion.

[0132] The cationic monomer can conform to formula CM, where k = 1, v = 3, w = 0, z = 1, and X - For Cl - To form the following structure:

[0133]

[0134] The above structure can be referred to as a diquaternary ammonium salt. Alternatively, the cationic monomer can conform to formula CM, where v and v'' are each 3, v'=1, w=1, y=1, and X - For Cl - , such as:

[0135]

[0136] The above structure can be referred to as a triquaternary ammonium salt.

[0137] Suitable acrylamide monomers include, but are not limited to, acrylamide or methacrylamide.

[0138] The cationic copolymer (b) can be AM:TRIQUAT, which is a copolymer of acrylamide and N-[2-[[[dimethyl[3-[(2-methyl-1-oxo-2-propenyl)amino]propyl]ammonium]acetyl]amino]ethyl]2-hydroxy-N,N,N',N',N'-pentamethyl-1,3-propanediammonium trichloride. AM:TRIQUAT is also known as polyquaternium salt 76 (PQ76). AM:TRIQUAT can have a charge density of 1.6 meq / g and a molecular weight of 1,100,000 g / mol.

[0139] Additionally, the cationic copolymer may have an acrylamide monomer and a cationic monomer, wherein the cationic monomer is selected from the group consisting of: dimethylaminoethyl (meth)acrylate, dimethylaminopropyl (meth)acrylate, di-tert-butylaminoethyl (meth)acrylate, dimethylaminomethyl (meth)acrylamide, dimethylaminopropyl (meth)acrylamide; ethyleneimine, ethyleneamine, 2-vinylpyridine, 4-vinylpyridine; trimethylammonium chloride ethyl (meth)acrylate, trimethylmethylammonium sulfate ethyl (meth)acrylate, dimethylbenzylammonium chloride ethyl (meth)acrylate, 4-benzoylbenzyl dimethylammonium chloride ethyl (meth)acrylate, trimethylammonium chloride ethyl (meth)acrylamide, trimethylammonium chloride propyl (meth)acrylamide, vinylbenzyltrimethylammonium chloride, diallyl dimethylammonium chloride, and mixtures thereof.

[0140] The cationic copolymer may contain a cationic monomer selected from the group consisting of: trimethylammonium chloride ethyl (meth)acrylate, trimethylmethylammonium sulfate ethyl (meth)acrylate, dimethylbenzylammonium chloride ethyl (meth)acrylate, 4-benzoylbenzyldimethylammonium chloride ethyl acrylate, trimethylammonium chloride ethyl (meth)acrylamide, trimethylammonium chloride propyl (meth)acrylamide, vinylbenzyltrimethylammonium chloride, and mixtures thereof.

[0141] The cationic copolymer may be water-soluble. The cationic copolymer is formed from: (1) a copolymer of (meth)acrylamide and a cationic monomer based on (meth)acrylamide and / or a hydrolyzed stable cationic monomer; and (2) a trimer of (meth)acrylamide, a monomer based on cationic (meth)acrylate, and a monomer based on (meth)acrylamide and / or a hydrolyzed stable cationic monomer. The monomer based on cationic (meth)acrylate may be a cationic ester of (meth)acrylate containing a quaternized N atom. The cationic ester of (meth)acrylate containing a quaternized N atom may be a dialkylaminoalkyl ester of quaternized (meth)acrylate having C1 to C3 in the alkyl and alkylene groups. Suitable cationic esters of (meth)acrylic acid containing a quaternized N atom can be selected from the group consisting of: ammonium salts of dimethylaminomethyl methacrylate quaternized with chloromethane, ammonium salts of dimethylaminoethyl methacrylate, ammonium salts of dimethylaminopropyl methacrylate, ammonium salts of diethylaminomethyl methacrylate, ammonium salts of diethylaminoethyl methacrylate, and ammonium salts of diethylaminoethyl methacrylate; and ammonium salts of diethylaminopropyl methacrylate. The cationic ester of (meth)acrylic acid containing a quaternized N atom can be dimethylaminoethyl acrylate (ADAME-Quat) quaternized with a haloalkane, or with chloromethane, or with benzyl chloride, or with dimethyl sulfate. When based on (meth)acrylamide, the cationic monomer can be a quaternized dialkylaminoalkyl (meth)acrylamide having C1 to C3 in the alkyl and alkylene groups, or dimethylaminopropylacrylamide quaternized with a haloalkane, or with chloromethane, or with benzyl chloride, or with dimethyl sulfate.

[0142] Suitable cationic monomers based on (meth)acrylamide include quaternized dialkylaminoalkyl (meth)acrylamides having C1 to C3 in the alkyl and alkylene groups. Cationic monomers based on (meth)acrylamide can be dimethylaminopropylacrylamide, which is quaternized with a haloalkane (especially chloromethane) or benzyl chloride or dimethyl sulfate.

[0143] The cationic monomer can be a hydrolyzable cationic monomer. Besides dialkylaminoalkyl (meth)acrylamide, a hydrolyzable cationic monomer can also be any monomer that can be considered stable by the OECD hydrolysis test. The cationic monomer can be hydrolyzable, and a hydrolyzable cationic monomer can be selected from the group consisting of diallyl dimethylammonium chloride and water-soluble cationic styrene derivatives.

[0144] The cationic copolymer can be a terpolymer of acrylamide, 2-dimethylammonium ethyl (meth)acrylate quaternized with chloromethane (ADAME-Q), and 3-dimethylammonium propyl (meth)acrylamide quaternized with chloromethane (DIMAPA-Q). The cationic copolymer can be formed from acrylamide and acrylamidopropyltrimethylammonium chloride, wherein acrylamidopropyltrimethylammonium chloride has a charge density of about 1.0 meq / g to about 3.0 meq / g.

[0145] The cationic copolymer may have a charge density of about 1.1 meq / g to about 2.5 meq / g, or about 1.1 meq / g to about 2.3 meq / g, or about 1.2 meq / g to about 2.2 meq / g, or about 1.2 meq / g to about 2.1 meq / g, or about 1.3 meq / g to about 2.0 meq / g, or about 1.3 meq / g to about 1.9 meq / g.

[0146] The cationic copolymer may have a molecular weight of about 100,000 g / mol to about 1,500,000 g / mol, or about 300,000 g / mol to about 1,500,000 g / mol, or about 500,000 g / mol to about 1,500,000 g / mol, or about 700,000 g / mol to about 1,000,000 g / mol, or about 900,000 g / mol to about 1,200,000 g / mol.

[0147] The cationic copolymer can be trimethylammonium propylmethacrylamide chloride-N-acrylamide copolymer, also known as AM:MAPTAC. AM:MAPTAC can have a charge density of about 1.3 meq / g and a molecular weight of about 1,100,000 g / mol. The cationic copolymer can be AM:ATPAC. AM:ATPAC can have a charge density of about 1.8 meq / g and a molecular weight of about 1,100,000 g / mol.

[0148] (a) Cationic synthetic polymers

[0149] The reinforcing agent may comprise a cationic synthetic polymer that can be formed from the following

[0150] i) one or more cationic monomer units, and optionally

[0151] ii) one or more negatively charged monomer units, and / or

[0152] iii) Nonionic monomers,

[0153] The copolymer has a positive charge. The ratio of the three types of monomers is given by "m", "p", and "q", where "m" is the number of cationic monomers, "p" is the number of negatively charged monomers, and "q" is the number of nonionic monomers.

[0154] The cationic polymer may be a water-soluble or water-dispersible non-crosslinked cationic polymer having the following structure:

[0155]

[0156] Wherein A can be one or more of the following cationic moieties:

[0157]

[0158] Where @ = amide group, alkylamide group, ester, ether, alkyl, or alkylaryl;

[0159] Where Y = C1-C22 alkyl, alkoxy, alkylidene, alkyl, or aryloxy;

[0160] Where ψ = C1-C22 alkyl, alkoxy, alkylaryl, or alkylaryloxy;

[0161] Where Z = C1-C22 alkyl, alkoxy, aryl, or aryloxy;

[0162] Where R1 = H, C1-C4 straight-chain or branched alkyl;

[0163] Where s = 0 or 1, n = 0 or ≥ 1;

[0164] Where T and R7 are C1-C22 alkyl groups; and

[0165] Where X- = halogen, hydroxide, alkanol, sulfate or alkyl sulfate.

[0166] The negatively charged monomers are defined as follows: R2' = H, C1-C4 straight-chain or branched alkyl, and R3 is:

[0167]

[0168] Where D = O, N, or S;

[0169] Where Q = NH2 or O;

[0170] Where u = 1 to 6;

[0171] Where t = 0 to 1; and

[0172] Where J = an oxidized functional group containing the elements P, S, and C.

[0173] The nonionic monomers are defined as follows: R2'' = H, C1-C4 straight-chain or branched alkyl, R6 = straight-chain or branched alkyl, alkylaryl, aryloxy, alkoxy, alkylaryloxy, and β is defined as

[0174] ;and

[0175] Where G' and G'' are independently O, S or NH, and L = 0 or 1.

[0176] Examples of cationic monomers include aminoalkyl (meth)acrylates, (meth)aminoalkyl (meth)acrylamides; monomers containing at least one secondary, tertiary or quaternary ammonium functional group, or heterocyclic groups containing a nitrogen atom, ethyleneamine or ethyleneimine; diallyl dialkylammonium salts; mixtures thereof, their salts and macromolecular monomers derived therefrom.

[0177] Other examples of cationic monomers include dimethylaminoethyl (meth)acrylate, dimethylaminopropyl (meth)acrylate, di-tert-butylaminoethyl (meth)acrylate, dimethylaminomethyl(meth)acrylamide, dimethylaminopropyl(meth)acrylamide, ethyleneimine, ethyleneamine, 2-vinylpyridine, 4-vinylpyridine, trimethylammonium chloride ethyl (meth)acrylate, trimethylmethylammonium sulfate ethyl (meth)acrylate, dimethylbenzylammonium chloride ethyl (meth)acrylate, 4-benzoylbenzyldimethylammonium chloride ethyl (meth)acrylate, trimethylammonium chloride ethyl (meth)acrylamide, trimethylammonium chloride propyl (meth)acrylamide, vinylbenzyltrimethylammonium chloride, diallyl dimethylammonium chloride.

[0178] Suitable cationic monomers include the inclusion-NR3 + Those quaternary ammonium groups, wherein R is the same or different, represent a hydrogen atom, an alkyl group containing 1 to 10 carbon atoms, or a benzyl group, optionally containing a hydroxyl group, and include anions (counterions). Examples of anions are halide ions (such as chloride ions, bromide ions), sulfate ions, hydrogen sulfate ions, alkyl sulfate ions (e.g., containing 1 to 6 carbon atoms), phosphate ions, citrate ions, formate ions, and acetate ions.

[0179] Suitable cationic monomers include trimethylammonium chloride ethyl (meth)acrylate, trimethylmethylammonium sulfate ethyl (meth)acrylate, dimethylbenzylammonium chloride ethyl (meth)acrylate, 4-benzoylbenzyldimethylammonium chloride ethyl (meth)acrylate, trimethylammonium chloride ethyl (meth)acrylamide, trimethylammonium chloride propyl (meth)acrylamide, and vinylbenzyltrimethylammonium chloride.

[0180] Suitable cationic monomers include trimethylammonium chloride propyl (meth)acrylamide.

[0181] Examples of negatively charged monomers include α-ene unsaturated monomers containing phosphate or phosphonate groups, α-ene unsaturated monocarboxylic acids, monoalkyl esters of α-ene unsaturated dicarboxylic acids, monoalkyl amides of α-ene unsaturated dicarboxylic acids, α-ene unsaturated compounds containing sulfonic acid groups, and salts of α-ene unsaturated compounds containing sulfonic acid groups.

[0182] Suitable monomers with negative charges include acrylic acid, methacrylic acid, vinyl sulfonic acid, salts of vinyl sulfonic acid, vinylbenzene sulfonic acid, salts of vinylbenzene sulfonic acid, α-acrylamidomethylpropanesulfonic acid, salts of α-acrylamidomethylpropanesulfonic acid, 2-sulfoethyl methacrylate, salts of 2-sulfoethyl methacrylate, acrylamido-2-methylpropanesulfonic acid (AMPS), salts of acrylamido-2-methylpropanesulfonic acid, and styrene sulfonate (SS).

[0183] Examples of nonionic monomers include vinyl acetate, amides of α-olefinically unsaturated carboxylic acids, esters of α-olefinically unsaturated monocarboxylic acids having hydrogenated or fluorinated alcohols, polyethylene oxide (meth)acrylates (i.e., polyethoxylated (meth)acrylic acid), monoalkyl esters of α-olefinically unsaturated dicarboxylic acids, monoalkyl amides of α-olefinically unsaturated dicarboxylic acids, vinyl nitrile, vinylamine amide, vinyl alcohol, vinylpyrrolidone, and vinyl aromatic compounds.

[0184] Suitable nonionic monomers include styrene, acrylamide, methacrylamide, acrylonitrile, methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, n-butyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, 2-hydroxyethyl acrylate, and 2-hydroxyethyl methacrylate.

[0185] The anionic counterion (X-) associated with the synthetic cationic polymer can be any known counterion, provided that the polymer remains soluble or dispersible in water, in the hair care composition, or in the cohesive phase of the hair care composition, and provided that the counterion is physically and chemically compatible with the basic components of the hair care composition, or does not otherwise unduly impair the performance, stability, or aesthetics of the product. Non-limiting examples of such counterions include halide ions (e.g., chloride, fluorine, bromine, iodine), sulfate, and methylsulfate.

[0186] The cationic polymers described herein can help provide an alternative hydrophobic ferrule (F-layer) to damaged hair, especially chemically treated hair. An extremely thin F-layer helps seal in moisture and prevent further damage while providing natural weather resistance. Chemical treatment damages the hair cuticle and causes its protective F-layer to peel off. As the F-layer is peeled off, the hair becomes increasingly hydrophilic. It has been found that when lyotropic liquid crystals are applied to chemically treated hair, the hair becomes more hydrophobic and feels more natural. Unbound by any theory, it is believed that lyotropic liquid crystal complexes form a hydrophobic layer or film that covers the hair fibers and protects the hair, just as the natural F-layer protects the hair. The hydrophobic layer restores the hair to its normal, untreated, and healthier state. Lyotropic liquid crystals are formed by mixing the synthetic cationic polymers described herein with the anionic detergency surfactant components of the aforementioned hair care compositions. The synthetic cationic polymers have a relatively high charge density. It should be noted that some synthetic polymers with relatively high cationic charge densities do not form lyotropic liquid crystals, primarily due to their abnormally linear charge densities. Such synthetic cationic polymers are described in WO 94 / 06403, granted to Reich et al. The synthetic polymers described herein can be formulated in stable hair care compositions that provide improved conditioning properties for damaged hair.

[0187] The cationic synthetic polymer capable of forming lyotropic liquid crystals may have a cationic charge density of about 2 meq / gm to about 7 meq / gm, and / or about 3 meq / gm to about 7 meq / gm, and / or about 4 meq / gm to about 7 meq / gm. The cationic charge density may be about 6.2 meq / gm. The polymer also has a M. Wt. of about 1,000 to about 5,000,000, and / or about 10,000 to about 1,500,000, and / or about 100,000 to about 1,500,000.

[0188] Cationic synthetic polymers that provide enhanced conditioning and beneficial agent deposition without forming lyotropic liquid crystals may have cationic charge densities of about 0.7 meq / gm to about 7 meq / gm, and / or about 0.8 meq / gm to about 5 meq / gm, and / or about 1.0 meq / gm to about 3 meq / gm. The polymers also have M. Wt. values ​​of about 1,000 to about 1,500,000, about 10,000 to about 1,500,000, and about 100,000 to about 1,500,000.

[0189] Suitable cationic cellulose polymers are salts obtained by reacting hydroxyethyl cellulose with trimethylammonium-substituted epoxides, which are industrially (CTFA) known as polyquaternium salts 10 and are available from Dow / Amerchol Corp. (Edison, NJ, USA) as their Polymer LR, JR, and KG polymer series. Non-limiting examples include: JR-400, JR-125, JR-30M, KG-30M, JP, LR-400, and mixtures thereof. Other suitable types of cationic cellulose include polymeric quaternium salts obtained by reacting hydroxyethyl cellulose with lauryl dimethylammonium-substituted epoxides, which are industrially (CTFA) known as polyquaternium salts 24. These materials are available from Dow / Amerchol under the trade name Polymer LM-200. Other suitable types of cationic cellulose include polymeric quaternium salts obtained by reacting hydroxyethyl cellulose with lauryl dimethylammonium-substituted and trimethylammonium-substituted epoxides, which are industrially (CTFA) known as polyquaternium salts 67. These materials were purchased from Dow / Amerchol under the trade names SoftCAT Polymer SL-5, SoftCAT Polymer SL-30, Polymer SL-60, Polymer SL-100, Polymer SK-L, Polymer SK-M, Polymer SK-MH, and Polymer SK-H.

[0190] Suitable cationic cellulose polymers may have a cationic charge density of about 0.5 meq / gm to about 2.5 meq / gm, and / or about 0.6 meq / gm to about 2.2 meq / gm, and / or about 0.6 meq / gm to about 2.0 meq / gm. Alternatively, the cationic charge density may be about 1.9 meq / gm. The polymer also has a molecular weight (Mwt.) of about 200,000 to about 3,000,000, and / or about 300,000 to about 2,200,000, and / or about 1,000,000 to about 2,200,000, and / or about 300,000 to about 1,500,000. Cationic cellulose polymers may have a cationic charge density of about 1.7 meq / gm to about 2.1 meq / gm and a molecular weight of about 1,000,000 to about 2,000,000.

[0191] The concentration of the cationic polymer, based on the weight of the hair care composition, is in the range of about 0.01% to about 5%, about 0.08% to about 3%, about 0.1% to about 2%, and / or about 0.2% to about 1%.

[0192] Thickening polymer

[0193] The reinforcing agent may include a thickening polymer to increase the viscosity of the composition. Suitable thickening polymers may be used. Hair care compositions may contain about 0.25% to about 10% of a thickening polymer, about 0.5% to about 8% of a thickening polymer, about 1.0% to about 5% of a thickening polymer, and about 1% to about 4% of a thickening polymer. The thickening polymer modifier may be a polyacrylate or a polyacrylamide thickener. The thickening polymer may be an anionic thickening polymer.

[0194] Hair care compositions may contain a thickening polymer, which is a homopolymer based on acrylic acid, methacrylic acid or other related derivatives, and non-limiting examples include polyacrylates, polymethacrylates, polyethyl acrylates and polyacrylamide.

[0195] The thickening polymer may be an alkali-swellable and hydrophobically modified alkali-swellable acrylic copolymer or methacrylate copolymer. Non-limiting examples include acrylic acid / acrylonitrile copolymers, acrylate / stearyl polyoxyethylene ether-20 itaconic acid copolymers, acrylate / cetyl polyoxyethylene ether-20 itaconic acid copolymers, acrylate / aminoacrylate / C10-30 alkyl PEG-20 itaconic acid copolymers, acrylate / aminoacrylate copolymers, acrylate / stearyl polyoxyethylene ether-20 methacrylate copolymers, and acrylic acid... Ester / behenyl polyoxyethylene ether-25 methacrylate copolymer, acrylate / stearyl polyoxyethylene ether-20 methacrylate crosspolymer, acrylate / behenyl polyoxyethylene ether-25 methacrylate / HEMA crosspolymer, acrylate / vinyl neodecanoate crosspolymer, acrylate / vinyl isodecanoate crosspolymer, acrylate / palm oil alcohol polyether-25 acrylate copolymer, acrylic acid / acrylamidomethylpropane sulfonic acid copolymer, and acrylate / acrylic acid C10-C30 alkyl acrylate crosspolymer.

[0196] The thickening polymer can be a soluble crosslinked acrylic polymer, and non-limiting examples include carbomer.

[0197] The thickening polymer may be an associative polymer thickener, and non-limiting examples include: hydrophobically modified alkali-swellable emulsions, and non-limiting examples include hydrophobically modified polyacrylates; hydrophobically modified polyacrylic acid and hydrophobically modified polyacrylamide; hydrophobically modified polyethers, wherein these materials may have a hydrophobicity selected from cetyl, stearyl, oleoyl and combinations thereof.

[0198] Thickening polymers can be used in combination with polyvinylpyrrolidone, cross-linked polyvinylpyrrolidone, and derivatives. Thickening polymers can also be used in combination with polyvinyl alcohol and derivatives. Furthermore, thickening polymers can be used in combination with polyethyleneimine and derivatives.

[0199] The thickening polymer can be combined with alginate-based materials, and non-limiting examples include sodium alginate and propylene glycol alginate.

[0200] The thickening polymer can be used in combination with polyurethane polymers, and non-limiting examples include hydrophobically modified alkoxylated polyurethane polymers, including PEG-150 / decyl alcohol / SMDI copolymers, PEG-150 / stearyl alcohol / SMDI copolymers, and polyurethane-39.

[0201] Thickening polymers can be combined with associative polymer thickeners, and non-limiting examples include: hydrophobically modified cellulose derivatives; and hydrophilic portions of ethylene oxide repeating groups having about 10 to about 300, about 30 to about 200, or about 40 to about 150 repeating units. Non-limiting examples of this type include PEG-120-methylglucose dioleate, PEG-(40 or 60)-dehydrated sorbitol tetraoleate, PEG-150 pentaerythritol tetrastearate, PEG-55 propylene glycol oleate, and PEG-150 distearate.

[0202] Thickening polymers can be combined with cellulose and derivatives, and non-limiting examples include microcrystalline cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, methyl cellulose, ethyl cellulose; nitrocellulose; cellulose sulfate; cellulose powder; and hydrophobically modified cellulose.

[0203] The thickening polymer can be combined with guar gum and guar gum derivatives, with non-limiting examples including hydroxypropyl guar gum and hydroxypropyl guar gum hydroxypropyltrimethylammonium chloride.

[0204] Thickening polymers can be used with polyethylene oxide, polypropylene oxide, and POE-PPO copolymers.

[0205] Thickening polymers can be combined with polyalkylene glycols characterized by the following general formula:

[0206]

[0207] Wherein R is hydrogen, methyl, or a mixture thereof, and further is hydrogen, and n is an integer having an average of 2,000-180,000, or 7,000-90,000, or 7,000-45,000. Non-limiting examples of this type include PEG-7M, PEG-14M, PEG-23M, PEG-25M, PEG-45M, PEG-90M, or PEG-100M.

[0208] Thickening polymers can be combined with silica, and non-limiting examples include pyrolytic silica, precipitated silica, and silica with an organosilicon surface treatment.

[0209] Thickening polymers can be combined with water-swellable clays, and non-limiting examples include synthetic lithium saponite, bentonite, montmorillonite, chlorophyllite, and lithium montmorillonite.

[0210] Thickening polymers can be combined with gums, and non-limiting examples include xanthan gum, guar gum, hydroxypropyl guar gum, gum arabic, tragacanth gum, galactomannan, long bean gum, black privet gum, and locust bean gum.

[0211] Thickening polymers can be combined with the following substances: dibenzyl sorbitol, carrageenan, pectin, agar, quince seeds, starch (from rice, corn, potatoes, wheat, etc.), starch derivatives (e.g., carboxymethyl starch, methyl hydroxypropyl starch), algal extracts, dextran, succinyl dextran, and pulleran.

[0212] Non-limiting examples of thickening polymers include acrylamide / ammonium acrylate copolymers (and) polyisobutylene (and) polysorbate 20; acrylamide / sodium acryloyl dimethyl taurate copolymer / isohexadecane / polysorbate 80; ammonium acryloyl dimethyl taurate / VP copolymer; sodium acrylate / sodium acryloyl dimethyl taurate copolymer; acrylate copolymers; acrylate crosslinker-4; acrylate crosslinker-3; acrylate / behenyl polyoxyethylene ether-25 methacrylate copolymer; acrylate / acrylic acid C10-C30 alkyl ester crosslinker; acrylate / stearyl polyoxyethylene ether-20 itaconic acid copolymer; poly… Ammonium acrylate / isohexadecane / PEG-40 castor oil; carbomer, sodium carbomer, crosslinked polyvinylpyrrolidone (PVP), polyacrylamide / C13-14 isoparaffin / lauryl polyoxyethylene ether-7, polyacrylate 13 / polyisobutylene / polysorbate 20, polyacrylate crosslinked polymer-6, polyamide-3, polyquaternium-37 (and) hydrogenated polydecene (and) tridecyl polyoxyethylene ether-6, acrylamide / sodium acryloyldimethyl taurate / acrylic acid copolymer, sodium acrylate / acryloyldimethyl taurate / dimethylacrylamide, crosslinked polymer (and) isohexadecane (and) polysorbate 60, sodium polyacrylate. Exemplary commercially available thickening polymers include: ACULYN ™ 28. ACULYN ™ 33. ACULYN ™ 88. ACULYN ™ 22. ACULYN ™ Excel, Carbopol ® Aqua SF-1, Carbopol ® ETD 2020, Carbopol ® Ultrez 20, Carbopol ®Ultrez 21, Carbopol ® Ultrez 10, Carbopol ® Ultrez 30, Carbopol ® 1342, Carbopol ® Aqua SF-2 polymer, Sepigel ™ 305, Simulgel ™ 600, SepimaxZen, Carbopol ® SMART 1000, Rheocare ® TTA, Rheomer ® SC-Plus, STRUCTURE ® PLUS, Aristoflex ® AVC, Stabylen 30, and combinations thereof.

[0213] 1. Water-miscible solvent

[0214] Supports that can be used for reinforcing agents may include aqueous solutions of lower alkyl alcohols, polyols, ketones having 3 to 4 carbon atoms, C1-C6 esters of C1-C6 alcohols, sulfoxides, amides, carbonates, ethoxylated and propoxylated C1-C10 alcohols, lactones, pyrrolidones, and mixtures thereof. Non-limiting lower alkyl alcohols are monohydric alcohols having 1 to 6 carbon atoms, such as ethanol and isopropanol. Non-limiting examples of polyols that can be used herein include propylene glycol, dipropylene glycol, butanediol, hexanediol, glycerol, propylene glycol, and mixtures thereof.

[0215] Hair care compositions may contain water-soluble growth promoters / viscosity modifiers, which are alkali metal salts or ammonium salts of lower alkylbenzene sulfonates, such as sodium xylene sulfonate, sodium isopropylbenzene sulfonate, or sodium toluene sulfonate.

[0216] Hair care compositions may contain silicone / PEG-8 silicone / PEG-9 silicone / PEG-n silicone / silicone ether (n may be another integer), and non-limiting examples include PEG8-polydimethylsiloxane A208) MW 855 and PEG 8-polydimethylsiloxane D208 MW 2706.

[0217] Optional ingredients

[0218] In this invention, the enhancer may also comprise one or more optional ingredients, including beneficial agents. Suitable beneficial agents include, but are not limited to, conditioning agents, cationic polymer silicone emulsions, anti-dandruff agents, gel networks, chelating agents, and natural oils such as sunflower oil or castor oil. Other suitable optional ingredients include, but are not limited to, fragrances, fragrance microcapsules, colorants, particles, antimicrobial agents, foam inhibitors, antistatic agents, rheology modifiers and thickeners, suspending materials and structuring agents, pH adjusters and buffers, preservatives, pearlescent agents, solvents, diluents, antioxidants, vitamins, and combinations thereof. The composition may contain about 0.5% to about 7% fragrance.

[0219] Such optional ingredients should be physically and chemically compatible with the components of the composition and should not otherwise unduly impair the stability, aesthetics, or performance of the product. The 10th edition of the “CTFA Cosmetic Ingredient Handbook” (published by Cosmetic, Toiletry, and Fragrance Association, Washington, D.C.) (2004) (hereinafter referred to as “CTFA”) describes a wide variety of non-limiting materials that may be added to the compositions described herein.

[0220] 1. Conditioner

[0221] The conditioner for the reinforcing agent may be a silicone conditioner. The silicone conditioner may comprise volatile silicones, non-volatile silicones, or combinations thereof. The concentration of the silicone conditioner is typically in the range of about 0.01% to about 10%, about 0.1% to about 8%, about 0.1% to about 5%, and / or about 0.2% to about 3% by weight of the composition. Non-limiting examples of suitable silicone conditioners and optional suspending agents for silicones are described in U.S. Republication No. 34,584, U.S. Patent No. 5,104,646, and U.S. Patent No. 5,106,609, which are incorporated herein by reference.

[0222] The silicone conditioner used in the compositions of the present invention may have a viscosity of about 20 centiliters to about 2,000,000 centiliters (“csk”), about 1,000 csk to about 1,800,000 csk, about 10,000 csk to about 1,500,000 csk, and / or about 20,000 csk to about 1,500,000 csk, as measured at 25°C.

[0223] Dispersed silicone conditioner particles typically have a volume average particle size ranging from about 0.01 micrometers to about 60 micrometers. For small particles applied to hair, the volume average particle size typically ranges from about 0.01 micrometers to about 4 micrometers, from about 0.01 micrometers to about 2 micrometers, and from about 0.01 micrometers to about 0.5 micrometers.

[0224] Additional information on organosilicon, including chapters on organosilicon fluids, pure silicone rubber compounds, and organosilicon resins, as well as the manufacture of organosilicon, can be found in Encyclopedia of Polymer Science and Engineering, Volume 15, 2nd Edition, pp. 204-308, John Wiley & Sons, Inc. (1989), which is incorporated herein by reference.

[0225] The silicone emulsions applicable to this invention include, but are not limited to, insoluble polysiloxane emulsions. These can be prepared via emulsion polymerization, as described in U.S. Patent No. 6,316,541 or U.S. Patent No. 4,476,282 or U.S. Patent Application Publication No. 2007 / 0276087, or they can be emulsified after polymerization by various emulsification methods, such as those described in U.S. Patent No. 9,255,184B2 or U.S. Patent No. 7,683,119, or edited by Johan Sjoblom. Emulsions and Emulsion Stability As described in CRC Press, 2005. A non-limiting list of suitable emulsifiers and emulsifier blends can be obtained by consulting these references, based on the functionality of the organosilicon used, the emulsification method, and the desired emulsion particle size. Therefore, suitable insoluble polysiloxanes include polysiloxanes, such as α,ω-hydroxy-terminated or α,ω-alkoxy-terminated polysiloxanes, having an internal phase viscosity of about 5 csk to about 500,000 csk. For example, insoluble polysiloxanes may have internal phase viscosities of less than 400,000 csk; less than 200,000 csk; about 10,000 csk to about 180,000 csk. Insoluble polysiloxanes may have an average particle size in the range of about 10 nm to about 10 micrometers. The average particle size can range from about 15 nm to about 5 micrometers, from about 20 nm to about 1 micrometer, or from about 25 nm to about 550 nm, or from about 1 micrometer to 10 micrometers. The concentration of dispersed organosilicon in the emulsion can range from about 5% to 90%, or 20% to 85%, or 30% to 80% by weight of the emulsion composition.

[0226] The average molecular weight of the insoluble polysiloxane, the internal phase viscosity of the insoluble polysiloxane, the viscosity of the silicone emulsion, and the particle size containing the insoluble polysiloxane are determined by methods commonly used by those skilled in the art, such as those disclosed in *The Analytical Chemistry of Silicones*, Smith, AL, John Wiley & Sons, Inc.: New York, 1991. For example, the viscosity of the silicone emulsion can be measured at 30°C using a Brookfield viscometer and a spindle 6 at 2.5 rpm. The silicone emulsion may also include additional emulsifiers and anionic surfactants.

[0227] Other types of organosilicones suitable for use in the compositions of the present invention include, but are not limited to: i) organosilicon fluids, including but not limited to organosilicon oils, which are flowable materials having a viscosity of less than about 1,000,000 csk as measured at 25°C; ii) aminosiloxanes containing at least one primary, secondary, or tertiary amine; iii) cationic organosilicones containing at least one quaternary ammonium functional group; iv) pure silicone rubber compounds; which include those having a viscosity of less than about 1,000,000 csk as measured at 25°C. o Materials with a viscosity greater than or equal to 1,000,000 csk as measured at C; v) silicone resins comprising highly crosslinked polymeric siloxane systems; vi) high-refractive-index silicones having a refractive index of at least 1.46; and vii) mixtures thereof.

[0228] The conditioner of the reinforcing agent of the present invention may also contain at least one organic conditioner material, such as an oil or wax, alone or in combination with other conditioners such as the organosilicon described above. The organic material may be non-polymeric, oligomeric, or polymeric. It may be in the form of an oil or wax and may be added in a pure formulation or in a pre-emulsified form. Some non-limiting examples of organic conditioners include, but are not limited to: i) hydrocarbon oils; ii) polyolefins; iii) fatty esters; iv) fluorinated conditioners; v) fatty alcohols; vi) alkyl glucosides and alkyl glucoside derivatives; vii) quaternary ammonium compounds; viii) polyethylene glycol and polypropylene glycol having a molecular weight of up to about 2,000,000, including those with CTFA names PEG-200, PEG-400, PEG-600, PEG-1000, PEG-2M, PEG-7M, PEG-14M, PEG-45M, and mixtures thereof.

[0229] 2. Emulsifier

[0230] A variety of anionic and nonionic emulsifiers can be used in the hair care compositions of the present invention. Anionic and nonionic emulsifiers can be monomers or polymers in nature. Examples of monomers include, but are not limited to, alkyl ethoxylates, alkyl sulfates, soaps, and fatty acid esters and their derivatives. By way of description and without limitation, examples of polymers include polyacrylates, polyethylene glycol, and block copolymers and their derivatives. Naturally occurring emulsifiers such as lanolin, lecithin, and lignin and their derivatives are also non-limiting examples of usable emulsifiers.

[0231] 3. Chelating agents

[0232] Enhancers may also include chelating agents. Suitable chelating agents include those listed in "Critical Stability Constants, Volume 1, AE Martell & RM Smith" (Plenum Press, New York & London (1974)) and "Metal Complexes in Aqueous Solution, AE Martell & RD Hancock" (Plenum Press, New York & London (1996)), both of which are incorporated herein by reference. When referring to chelating agents, the term "salts and derivatives thereof" means salts and derivatives having the same functional structure (e.g., the same chemical backbone) as the chelating agent in question and having similar or better chelating properties. This term includes alkali metal salts, alkaline earth metal salts, ammonium salts, substituted ammonium (i.e., monoethanolamine, diethanolamine, triethanolamine) salts, esters, and mixtures thereof, especially all sodium, potassium, or ammonium salts of chelating agents having an acidic moiety. The term “derivative” also includes “chelating surfactant” compounds, such as those exemplified in U.S. Patent No. 5,284,972, and macromolecules containing one or more chelating groups having the same functional structure as the parent chelating agent, such as the polymer EDDS (ethylenediamine disuccinic acid) disclosed in U.S. Patent No. 5,747,440.

[0233] The chelating agent may be incorporated into the composition herein in an amount ranging from 0.001% to 10.0% or about 0.01% to 2.0% by weight of the total composition.

[0234] The non-restricted chelating agent class includes carboxylic acids and aminocarboxylic acids, which include amino acids, phosphoric acid, phosphonic acid, polyphosphonic acid, polyethyleneimine, polyfunctional substituted aromatic compounds, their derivatives and salts.

[0235] Non-restrictive chelating agents include the following materials and their salts: ethylenediaminetetraacetic acid (EDTA), ethylenediaminetriacetic acid, ethylenediamine-N,N'-disuccinic acid (EDDS), ethylenediamine-N,N'-diglutarate (EDDG), salicylic acid, aspartic acid, glutamic acid, glycine, malonic acid, histidine, diethylenetriaminepentaacetic acid (DTPA), N-hydroxyethylethylenediaminetriacetic acid, hypozoxytriacetic acid, ethylenediaminetetrapropionate, triethylenetetraaminehexaacetic acid, ethanolyl diglycine, propylenediaminetetraacetic acid (PDTA), methylglycinic acid diacetic acid (MODA), diethylenetriaminepentaacetic acid, methylglycinic acid diacetic acid (MGDA), N-acyl-N,N',N' Ethylenediaminetriacetic acid, hypozinotriacetic acid, ethylenediaminediglutarate (EDGA), 2-hydroxypropyldiaminedisuccinic acid (HPDS), glycine-N,N'-disuccinic acid (GADS), 2-hydroxypropyldiamine-N-N'-disuccinic acid (HPDDS), N-2-hydroxyethyl-N,N-diacetic acid, glyceryl iminodiacetic acid, iminodiacetic acid-N-2-hydroxypropylsulfonic acid, aspartic acid N-carboxymethyl-N-2-hydroxypropyl-3-sulfonic acid, alanine-N,N'-diacetic acid, aspartic acid-N,N'-diacetic acid, aspartic acid N-monoacetic acid, iminodisuccinic acid, diamine-N,N'-dipolyacid, mono- Amide-N,N'-dipolyacids, diaminoalkyl di(sulfosuccinic acid) (DDS), ethylenediamine-N-N'-bis(o-hydroxyphenylacetic acid), N,N'-bis(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic acid, ethylenediaminetetrapropionate, triethylenetetraminehexaacetic acid, diethylenetriaminepentaacetic acid, pyridinedicarboxylic acid, ethylenedicysteine ​​(EDC), ethylenediamine-N,N'-bis(2-hydroxyphenylacetic acid) (EDDHA), glutamate diacetic acid (GLDA), hexaadenosine aminocarboxylate (HBED), polyethyleneimine, 1-hydroxybisphosphonate, aminotris(methylenephosphonic acid) (ATMP) Nitrotrimethylammonium phosphonate (NTP), ethylenediaminetetramethylene phosphonate, diethylenetriaminepentamethylene phosphonate (DTPMP), ethane-1-hydroxybisphosphonate (HEDP), 2-phosphonobutane-1,2,4-tricarboxylic acid, polyphosphoric acid, sodium tripolyphosphate, tetrasodium diphosphate, hexametaphosphate, sodium metaphosphate, phosphonic acid and its derivatives, aminoalkylene-poly(alkylphosphonic acid), aminotris(1-ethylphosphonic acid), ethylenediaminetetra(1-ethylphosphonic acid), aminotris(1-propylphosphonic acid), aminotris(isopropylphosphonic acid), ethylenediaminetetra(methylenephosphonic acid) (EDTMP), 1,2-dihydroxy-3,5-disulfonylbenzene.

[0236] Aqueous carrier

[0237] The enhancer may be in a pourable liquid form (under ambient conditions). Therefore, such compositions will typically include a carrier present at a level of about 40% to about 85%, or about 45% to about 80%, or about 50% to about 75% by weight of the hair care composition. The carrier may contain water, or a miscible mixture of water and an organic solvent, and in one aspect, may contain water with a minimal or insignificant concentration of an organic solvent, except for those incidentally incorporated into the composition as other necessary or optional components.

[0238] The carrier that can be used in the reinforcing agent of the present invention may include water and aqueous solutions of lower alkyl alcohols and polyols. Lower alkyl alcohols that can be used herein are monohydric alcohols having 1 to 6 carbon atoms, and in one aspect, are ethanol and isopropanol. Exemplary polyols that can be used herein include propylene glycol, hexanediol, glycerol, and propanediol.

[0239] Product Form

[0240] The enhancers of this invention can be presented in typical hair care formulations. The shampoo composition can be in the form of a solution, dispersion, emulsion, foam, and other delivery mechanisms. The compositions of this invention can be wash-off hair products such as shampoos and personal care products, as well as treatment products; and any other form applicable to hair.

[0241] deliver

[0242] In this invention, the reinforcing agent composition can be delivered to the hand or hair / scalp via a pump bottle, airless pump, aerosol, dip tube pump or squeeze bottle.

[0243] Application device

[0244] In this invention, the enhancer can be dispensed from the application device for direct application to the scalp area. Direct application to the scalp via a directional delivery device allows for the direct deposition of undiluted cleanser in areas with the highest cleaning needs. This also minimizes the risk of contact between the cleansing solution and the eyes.

[0245] The application device is attached to or may be attached to a bottle containing a hair-cleansing and conditioning composition. The application device may consist of a base that accommodates or extends to one or more pointed teeth. The pointed teeth have openings that may be located at the tip, the base, or any point between the tip and the base. These openings allow the product to be dispensed directly from the bottle onto the hair and / or scalp.

[0246] Alternatively, the application device may consist of brush-like bristles attached to or extending from the base. In this case, the product will be dispensed from the base, and the bristles will allow for product distribution via combing or brushing motions.

[0247] The application device and the design and materials of the bristles can also be optimized to achieve scalp massage. In this case, it is advantageous to have a more rounded geometry of the bristles or teeth at the tip, similar to a rollerball applicator used for eye cream. Smoother and softer materials may also be beneficial; for example, metallic or metallic-like coatings, or "rubber-like materials."

[0248] Measurement of surfactant-soluble reagent deposition

[0249] The in vivo deposition of surfactant-soluble reagents on the scalp can be determined by ethanol extraction of the reagents after treating the scalp with a cleansing composition containing surfactant-soluble reagents and rinsing it off. The concentration of the reagent in the ethanol extraction solvent is measured by HPLC. Quantification is performed using a standard curve. The concentration detected by HPLC is converted to the amount collected in grams by multiplying the concentration by the volume.

[0250] The percentage of the deposited reagent can be calculated using the following formula:

[0251]

[0252] The percentage of deposited pyrrolidone ethanolamine in the sample was calculated, where:

[0253] The amount of reagent deposited in grams = 1.7 × 10⁻⁶ -6 g

[0254] Extracted scalp area = 1 cm² 2

[0255] The weight percentage of piroctone olamine in the shampoo is 1.0%.

[0256] The amount of shampoo applied = 5g

[0257] The treated scalp area = 300cm² 2

[0258]

[0259]

[0260] Deposition efficiency can be calculated using the following formula:

[0261]

[0262] The deposition efficiency was calculated for the sample, where:

[0263] The percentage of piroctone ethanolamine deposited from the formulation in the example was 1.92%.

[0264] The percentage of piroctone ethanolamine deposited by the control formulation was 1.02%.

[0265]

[0266]

[0267] In this invention, the target deposition level of the scalp care active substance is approximately >0.5 ug / cm² to produce the desired efficacy. The present invention may have deposition levels of the scalp care active substance ranging from approximately 0.3 ug / cm² to approximately 1.8 ug / cm², approximately 0.5 ug / cm² to approximately 1.2 ug / cm², or approximately 0.7 ug / cm² to approximately 1.0 ug / cm².

[0268] Preparation of reinforcing agent composition

[0269] The reinforcing agent is prepared by adding a surfactant, anti-dandruff agent, fragrance, viscosity modifier, hypothetical ingredients (such as dyes, pigments, and encapsulators), cationic polymer, and the remainder water under thorough stirring to ensure a homogeneous mixture. The mixture may be heated to 50°C–75°C to accelerate the dissolution of soluble reagents, followed by cooling. The pH of the product can be adjusted as needed to provide a shampoo composition of the present invention suitable for application to human hair and scalp, and the pH of the product may vary from about pH 4 to 9, or from about pH 4 to 6, or from about pH 4.5 to 5.5, depending on the selection of specific detergency surfactants and / or other components.

[0270] In this invention, the reinforcing agent may have a viscosity of about 3000 centipoise to about 8000 centipoise; about 3500 centipoise to about 6000 centipoise; or about 4000 centipoise to about 5000 centipoise. In this invention, the reinforcing agent may have a viscosity of about 4000 centipoise.

[0271] Enhancer composition

[0272]

[0273]

[0274]

[0275]

[0276] The reinforcing agent compositions A, B, C, and D are related to the examples A, B, C, and D above.

[0277] When used as a regular shampoo at the usual shampoo dosage, the following pyrrolidone ethanolamine (PO) deposition was observed. Compositions B, C, and D were more effective in depositing PO.

[0278]

[0279] Traditional hair care compositions currently sold on the market differ in two important aspects: the amount of surfactant used for cleansing and the amount of conditioning they provide to the hair. In this invention, the aforementioned enhancer composition can be mixed with a regular shampoo to provide consumers with beneficial scalp care effects without significantly affecting the desired properties of the regular shampoo, such as lathering volume, hair detangling, and hair smoothness. The dosages of the two formulations are the ratio of the enhancer composition according to the invention to a regular hair care composition, and can vary from about 1 part enhancer composition to about 1 part regular hair care composition, or about 1 part enhancer composition to about 3 parts regular hair care composition, or about 1 part enhancer composition to about 5 parts regular hair care composition, depending on scalp needs.

[0280] In this invention, a reinforcing composition containing pyrrolidone ethanolamine is mixed with a conventional shampoo at a ratio of 2 parts of the reinforcing composition of this invention to 5 parts of the conventional shampoo, wherein the amount of surfactant and conditioning agent is variable. The following amounts of pyrrolidone ethanolamine deposition were observed in the reinforcing compositions A, B, C, and D of this invention.

[0281]

[0282] Hair care composition A represents a currently commercially available, highly effective anti-dandruff shampoo containing piroctone olamine. When mixed with a regular shampoo at a ratio of 2 parts of the enhancer composition A of the present invention to 5 parts of a regular shampoo, deposition efficiency is low and it is not expected to provide immediate relief of dandruff symptoms. Conversely, when mixed with a regular shampoo at a ratio of 2 parts of the enhancer composition D of the present invention to 5 parts of a regular shampoo, deposition efficiency is much higher, comparable to using a standard currently commercially available anti-dandruff shampoo alone, and it is expected to provide immediate relief of dandruff symptoms while providing the desired cosmetic experience (foaming, cleansing, conditioning, fragrance, etc.) of using a regular shampoo alone.

[0283] Figure 1 This describes two key characteristics of typical cosmetic shampoos available today: cleansing power and conditioning power. When mixed with the present invention, it has been found that cosmetic shampoos with lower cleansing power maximize piroctone ethanolamine deposition compared to shampoos with higher cleansing power, even after mixing the shampoo of the present invention and the cosmetic shampoo, the total anti-dandruff active ingredient level of the mixture is reduced to about 30% of that of a typical effective anti-dandruff shampoo. As the surfactant level of the cosmetic shampoo increases, the piroctone ethanolamine deposition efficiency decreases, such as... Figure 1 The gradient is shown in the figure.

[0284] Non-limiting embodiments

[0285] The shampoo compositions illustrated in the following examples can be prepared using conventional formulation and mixing methods. Unless otherwise specified, all exemplary amounts are listed as a weight percentage based on the active ingredients, and except for trace materials such as diluents, preservatives, colored solutions, hypothetical ingredients, herbal medicines, etc., are excluded. Unless otherwise specified, all percentages are based on weight.

[0286] Example: Sulfate-containing cosmetic shampoos

[0287]

[0288]

[0289] Example: Non-sulfate cosmetic shampoo

[0290]

[0291]

[0292] Figure 2 The difference in deposition efficiency was shown in relation to leaving a mixture of regular cosmetic shampoo and enhancer on the scalp for 3 minutes versus 30 seconds.

[0293] Additional Examples / Combinations

[0294] A. A method of providing anti-dandruff activity using a combination of an enhancer and a hair care composition, wherein the enhancer comprises a scalp care active substance and the hair care composition does not contain a scalp care active substance, and wherein the enhancer comprises about 5% to about 7% of one or more surfactants, wherein there is a deposition of a scalp care active substance at a concentration greater than about 0.5 ug / cm2.

[0295] B. The method according to paragraph A, wherein the enhancer is combined with the hair care composition by placing the enhancer in one hand, and then combining and mixing it with the hair care composition in a second hand, and then placing it on the hair / scalp.

[0296] C. The method according to paragraphs A to B, wherein the hair care composition is placed on the hair / scalp, and then the enhancer is placed on the hair / scalp and mixed with and foamed with the hair care composition.

[0297] D. The method according to paragraphs A to C, wherein the enhancer is applied to the hair / scalp without being combined with the hair care composition.

[0298] E. The method according to paragraphs A to D, wherein the enhancer is added to a shampoo, conditioner, or rinse-out treatment.

[0299] F. The method according to paragraphs A through E, wherein the enhancer is delivered to the hand or hair / scalp from a group consisting of a pump bottle, an airless pump, an aerosol, a dip tube pump, or a squeeze bottle.

[0300] G. According to the method described in paragraphs A to F, the deposition of the scalp care active substance is 2.5 to 3 times greater when the hair care composition is applied to the scalp / hair for 3 minutes compared to applying the hair care composition for 30 seconds.

[0301] H. The method according to paragraphs A to G, wherein the reinforcing agent has a deposition of about 0.5 ug / cm2 to about 1.2 ug / cm2.

[0302] I. The method according to paragraphs A to H, wherein the reinforcing agent has a deposition of about 0.7 ug / cm2 to about 1.0 ug / cm2.

[0303] J. The method according to paragraphs A to I, wherein the surfactant is an anionic surfactant or a combination of anionic surfactants.

[0304] K. The method according to paragraphs A to J, wherein the surfactant is an anionic surfactant selected from the group consisting of anionic alkyl sulfates and alkyl ether sulfates having straight or branched alkyl chains, and mixtures thereof.

[0305] L. The method according to paragraphs A to K, wherein the surfactant is a surfactant or combination of surfactants selected from the group consisting of: sodium lauryl sulfate; sodium lauryl polyoxyethylene ether-n sulfate, wherein n is between about 0.5 and about 3.5; C10-15 alkyl sulfate, wherein the alkyl chain can be straight or branched; C10-15 alkyl polyoxyethylene ether-n sulfate, wherein n is between about 0.5 and about 3.5, and the alkyl chain can be straight or branched; sodium decyl sulfate; sodium decyl polyoxyethylene ether-n sulfate, wherein n is between about 0.5 and about 3.5; sodium undecyl sulfate; sodium undecyl polyoxyethylene ether-n sulfate, wherein n is between 0.5 and about 3.5; sodium tridecyl sulfate; sodium tridecyl polyoxyethylene ether-n sulfate, wherein n is between about 0.5 and about 3.5; anionic surfactants selected from the group consisting of:

[0306] a.R1 O(CH2CHR3O) y SO3M;

[0307] b.CH3 (CH2) z CHR2 CH2 O (CH2 CHR3O)y SO3M; and

[0308] c. Their mixture,

[0309] Where R1 represents CH3(CH2) 10 R2 represents H or a hydrocarbon group containing 1 to 4 carbon atoms, such that the sum of the carbon atoms in z and R2 is 8, R3 is H or CH3, y is 0 to 7, when y is not zero (0), the average value of y is about 1, and M is a monovalent or divalent positively charged cation.

[0310] M. According to the method described in paragraphs A to L, the one or more surfactants are present at about 6% to about 7%.

[0311] N. According to the method described in paragraphs A to M, the reinforcing agent further comprises about 0.25% to about 7% of one or more amphoteric auxiliary surfactants, nonionic auxiliary surfactants, or zwitterionic auxiliary surfactants.

[0312] O. According to the method described in paragraphs A to N, the reinforcing agent further comprises one or more cationic polymers selected from the group consisting of: cationic guar gum polymers, cationic non-guar gum galactomannan polymers, cationic cassava polymers, cationic copolymers of acrylamide monomers and cationic monomers, synthetic non-crosslinked cationic polymers that may or may not form lyotropic liquid crystals when combined with detergency surfactants, cationic cellulose polymers, and mixtures thereof.

[0313] P. According to the method described in paragraphs A to O, the one or more cationic polymers are selected from the group consisting of: guar hydroxypropyltrimethylammonium chloride, salts obtained by reacting hydroxyethyl cellulose with trimethylammonium-substituted epoxides, cationic copolymers of acrylamide monomers and cationic monomers, and synthetic non-crosslinked cationic polymers that may or may not form lyotropic liquid crystals when combined with the detergency surfactant.

[0314] Q. According to the method described in paragraphs A to P, the one or more cationic polymers are from about 0.08% to about 3%.

[0315] R. According to the method described in paragraphs A to Q, the one or more cationic polymers are from about 0.1% to about 2%.

[0316] S. The method according to paragraphs A to R, wherein the one or more cationic polymers are from about 0.2% to about 1%.

[0317] T. According to the method described in paragraphs A to S, the reinforcing agent further comprises 0.1% to about 10% of one or more thickening polymers.

[0318] U. According to the method described in paragraphs A to T, the one or more thickening polymers are selected from the group consisting of: homopolymers based on acrylic acid, methacrylic acid or other related derivatives, alkali-swellable and hydrophobically modified alkali-swellable acrylic copolymers or methacrylate copolymers, soluble crosslinked acrylic polymers, associative polymer thickeners and mixtures thereof.

[0319] V. The method described in paragraphs A to U, wherein the scalp care active substance is hydroxypyridinone.

[0320] W. The method described in paragraphs A through V, wherein the hydroxypyridinone is pyrrolidone ethanolamine.

[0321] X. The method described in paragraphs A through W, wherein the scalp care active ingredient is azole.

[0322] Y. The method described in paragraphs A through X, wherein the azole is clomibazole.

[0323] Z. The method according to paragraphs A to Y, wherein the scalp care active substance is one or more scalp health agents.

[0324] AA. According to the method described in paragraphs A to Z, one or more scalp health agents are sulfur, salicylic acid, menthol, menthyl lactate, vanillyl butyl ether, and mixtures thereof.

[0325] BB. The method described in paragraphs A to AA, wherein the one or more scalp health agents are polyvalent metal salts of pyrithione.

[0326] CC. The method described in paragraphs A through BB, wherein one or more scalp health agents are zinc pyrithione.

[0327] DD. The method described in paragraphs A through CC, wherein the one or more scalp health agents are present at approximately 0.1% to 9%.

[0328] EE. According to the method described in paragraphs A to DD, the one or more scalp health agents are approximately 0.25% to 8%.

[0329] FF. According to the method described in paragraphs A to EE, the pH of said enhancer is from about 4 to about 9.

[0330] GG. According to the method described in paragraphs A through FF, the scalp care active ingredient is encapsulated.

[0331] HH. The method according to paragraphs A to GG, wherein the reinforcing agent has a viscosity of 3000 centipoise to 8000 centipoise.

[0332] II. The method according to paragraphs A to HH, wherein the reinforcing agent has a viscosity of 4000 centipoise.

[0333] JJ. The method described in paragraphs A to II, wherein the reinforcing agent is transparent.

[0334] KK. According to the method described in paragraphs A to JJ, the reinforcing agent has a %T value greater than about 70.

[0335] The dimensions and values ​​disclosed herein should not be construed as strictly limited to the precise numerical values ​​cited. Rather, unless otherwise specified, each such dimension is intended to represent the stated value and the range surrounding its functional equivalent. For example, a dimension disclosed as “40 mm” is intended to represent “approximately 40 mm”.

[0336] Unless expressly excluded or otherwise limited, every reference cited herein, including any cross-references or related patents or patent applications, and any patent application or patent claiming priority to or benefiting from it, is incorporated herein by reference in its entirety. Reference to any reference is not an endorsement of it as prior art to any disclosed or protected art herein, nor is it an endorsement of any such invention, either on its own or in combination with any one or more references. Furthermore, where any meaning or definition of a term in this invention conflicts with any meaning or definition of the same term in referenced documents, the meaning or definition given to that term in this invention shall prevail.

[0337] While specific embodiments of the invention have been illustrated and described, it will be apparent to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, it is intended that all such changes and modifications falling within the scope of the invention be covered by the appended claims.

Claims

1. A method of using a booster in combination with a hair care composition to provide anti-dandruff activity, wherein the booster comprises a scalp care active, preferably wherein the scalp care active is a hydroxypyridinone, preferably wherein the hydroxypyridinone is piroctone olamine, preferably wherein the scalp care active is an azole, preferably wherein the azole is climbazole, and the hair care composition is free of scalp care active, and wherein the booster comprises from 5% to 7%, preferably from 6% to 7%, of one or more surfactants, wherein there is deposition of greater than 0.5 ug / cm2 of scalp care active, preferably from 0.5 ug / cm2 to 1.2 ug / cm2 of scalp care active, preferably from 0.7 ug / cm2 to 1.0 ug / cm2 of scalp care active.

2. The method of any preceding claim, wherein the booster is combined with the hair care composition by placing the booster in one hand, and then combining and mixing together in the second hand with the hair care composition, and then placing on the hair / scalp.

3. The method of any preceding claim, wherein the hair care composition is placed on the hair / scalp, followed by the booster being placed on the hair / scalp, and mixed and lathered with the hair care composition.

4. The method of any preceding claim, wherein the booster is applied to the hair / scalp without being combined with a hair care composition.

5. The method of any preceding claim, wherein the booster is added to a shampoo, conditioner, or rinse-off treatment.

6. The method of any preceding claim, wherein the booster is delivered to the hand or hair / scalp from the group consisting of a pump bottle, a pump without gas, an aerosol, a dip tube pump, or a squeeze bottle.

7. The method of any preceding claim, wherein the deposition of the scalp care active is 2.5 to 3 times greater when the booster composition is left on the scalp / hair for 3 minutes in combination with the hair care composition, compared to leaving the hair care composition for 30 seconds.

8. The method of any preceding claim, wherein the surfactant is an anionic surfactant or a combination of anionic surfactants, preferably wherein the surfactant is an anionic surfactant selected from the group consisting of anionic alkyl sulfates and alkyl ether sulfates with linear or branched alkyl chains and mixtures thereof, preferably wherein the surfactant is a surfactant or a combination of surfactants selected from the group consisting of: sodium lauryl sulfate; sodium laureth-n sulfate, wherein n is between 0.5 to 3.5; sodium C10-15 alkyl sulfate, wherein the alkyl chain can be linear or branched; sodium C10-15 alkyl polyoxyethylene-n sulfate, wherein n is between 0.5 to 3.5 and the alkyl chain can be linear or branched; sodium decyl sulfate; sodium decyl polyoxyethylene-n sulfate, wherein n is between 0.5 to 3.5; sodium undecyl sulfate; sodium undecyl polyoxyethylene-n sulfate, wherein n is between 0.5 to 3.5; sodium tridecyl sulfate; sodium tridecyl polyoxyethylene-n sulfate, wherein n is between 0.5 to 3.5; anionic surfactants selected from the group consisting of: d. R1O(CH2CHR3O) y SO3M; e. CH3(CH2) z CHR2CH2O(CH2CHR3O) y SO3M; and f. mixtures thereof, wherein R1represents CH3(CH2) 10 R2represents H or a hydrocarbon group comprising 1 to 4 carbon atoms, such that the sum of z and the carbon atoms in R2is 8, R3is H or CH3, y is 0 to 7, the average value of y is 1 when y is not zero (0), and M is a monovalent or divalent positively charged cation.

9. The method of any preceding claim, wherein the enhancer further comprises 0.25% to 7% of one or more amphoteric co-surfactants, non-ionic co-surfactants or zwitterionic co-surfactants.

10. The method of any preceding claim, wherein the enhancer further comprises 0.08% to 3%, preferably 0.1% to 2%, preferably 0.2% to 1% of one or more cationic polymers selected from the group consisting of: cationic guar polymers, cationic non-guar galactomannan polymers, cationic tapioca polymers, cationic copolymers of acrylamide monomers and cationic monomers, synthetic non-crosslinked cationic polymers which can or can not form lyotropic liquid crystals upon combination with the detersive surfactant, cationic cellulose polymers and mixtures thereof, preferably wherein the one or more cationic polymers are selected from the group consisting of: guar hydroxypropyltrimonium chloride, salts resulting from the reaction of hydroxyethyl cellulose with trimethylammonium substituted epoxide, cationic copolymers of acrylamide monomers and cationic monomers, synthetic non-crosslinked cationic polymers which can or can not form lyotropic liquid crystals upon combination with the detersive surfactant.

11. The method of any preceding claim, wherein the enhancer further comprises 0.1% to 10% of one or more thickening polymers, preferably wherein the one or more thickening polymers are selected from the group consisting of: homopolymers based on acrylic acid, methacrylic acid or other related derivatives, alkali-swellable and hydrophobically-modified alkali-swellable acrylic copolymers or methacrylate copolymers, soluble crosslinked acrylic polymers, associative polymeric thickening agents, and mixtures thereof.

12. A method according to any preceding claim, wherein the scalp care active is 0.1% to 9%, preferably 0.25% to 8%, of one or more scalp health agents, preferably wherein the one or more scalp health agents are sulphur, salicylic acid, menthol, menthyl lactate, eugenyl butyether and mixtures thereof, preferably wherein the one or more scalp health agents are a polyvalent metal salt of pyrithione, preferably wherein the one or more scalp health agents are zinc pyrithione.

13. A method according to any preceding claim, wherein the scalp care active is encapsulated.

14. A method according to any preceding claim, wherein the enhancing agent has a viscosity of 3000 to 8000 centipoise, preferably wherein the enhancing agent has a viscosity of 4000 centipoise.

15. A method according to any preceding claim, wherein the enhancing agent is transparent, preferably wherein the enhancing agent has a %T value of greater than 70.

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