Cosmetic composition comprising polyacrylate cross-linked polymer-6, and silica and / or lauroyl lysine

Abstract

Disclosed is a skin care composition comprising, by weight: (a) from about 0.7% to about 5% of a polyacrylate cross-linked polymer-6; and (b) an aqueous carrier, and wherein the composition further comprises (c) and / or (d): (c) from about 0.1% to about 10% of silica having an average particle size of from about 0.5 microns to about 30 microns; (d) about 0.1% to about 10% of lauroyl lysine. The cosmetic composition of the present invention provides a reduced stickiness while having sufficient viscosity from the polyacrylate crosslinkable polymer-6.

Description

Technical Field

[0001] The present invention relates to a cosmetic composition comprising, by weight: (a) from about 0.7% to about 5% polyacrylate crosspolymer-6; and (b) an aqueous carrier, and wherein the composition further comprises (c) and / or (d): (c) from about 0.1% to about 10% silicon dioxide having an average particle size of from about 0.5 microns to about 35 microns; (d) from about 0.1% to about 10% lauroyl lysine. The cosmetic composition of the present invention provides a reduced tackiness while having sufficient viscosity from polyacrylate crosspolymer-6. Background Art

[0002] Mammalian keratinous tissue, particularly human skin, is subject to multiple violations of both external and internal factors. Such external factors include ultraviolet radiation, environmental pollution, wind, heat, infrared radiation, low humidity, irritating surfactants, abrasives, etc. On the other hand, internal factors include time course aging and other biochemical changes in the skin. Whether external or internal, these factors all lead to visible signs of skin damage. Typical skin damage in aging or damaged skin includes fine lines, wrinkles, hyperpigmentation, sallow, sagging, dark circles, swollen eyes, enlarged pores, reduced renewal rate and abnormal desquamation or peeling. Additional damage caused by both external and internal factors includes visible dead skin, i.e. flaking, scaling, dryness and roughness.

[0003] Currently, there are many personal care products available to consumers that are intended to improve the health and physical appearance of keratinous tissues such as skin, hair, and nails. Most of these products involve delaying, minimizing, or even eliminating skin wrinkles, spots, and other histological changes that are typically associated with skin aging or environmental damage to human skin. Consumers prefer topically applied products because they are not only effective, but also safe and pleasant to use.

[0004] Various hydrophilic thickeners are used in such products to give the product a suitable viscosity, for example, for application to the skin.

[0005] However, the present inventors have discovered that among such hydrophilic thickeners, Polyacrylate Crosspolymer-6 can provide, especially at higher levels, a tacky feel.

[0006] Based on the foregoing, there is a need for a cosmetic composition that provides a reduced tacky feel while having sufficient viscosity from polyacrylate crosspolymer-6. Summary of the invention

[0007] The present invention relates to a cosmetic composition comprising, by weight: (a) from about 0.7% to about 5% polyacrylate crosspolymer-6; and (b) an aqueous carrier, and wherein the composition further comprises (c) and / or (d): (c) from about 0.1% to about 10% silicon dioxide having an average particle size of from about 0.5 microns to about 35 microns; (d) from about 0.1% to about 10% lauroyl lysine. The cosmetic composition of the present invention provides a reduced tackiness while having sufficient viscosity from polyacrylate crosspolymer-6. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 An exemplary test apparatus for adhesion testing is shown. DETAILED DESCRIPTION

[0009] References in the specification to an "embodiment" or similar approach mean that the specific materials, features, structures, and / or characteristics described in conjunction with the embodiment are included in at least one embodiment, optionally multiple embodiments, but this does not mean that all embodiments include the described materials, features, structures, and / or characteristics. In addition, materials, features, structures, and / or characteristics may be combined in different embodiments in any suitable manner, and materials, features, structures, and / or characteristics may be omitted or replaced with those described. Therefore, unless otherwise specified or an incompatibility is declared, the embodiments and aspects described herein may include elements or components of other embodiments and / or aspects or may be combined with elements or components of other embodiments and / or aspects, although not explicitly illustrated in combination.

[0010] In all embodiments, unless otherwise specifically stated, all ingredient percentages are based on the weight of the cosmetic composition. Unless otherwise specifically stated, all ratios are weight ratios. The number of significant figures indicates neither the expression of a limit to the amount shown nor the expression of a limit to the accuracy of the measurement. All numerical values ​​are understood to be modified by the word "about", unless otherwise specifically stated. Unless otherwise specified, all measurements are understood to be carried out at approximately 25°C and ambient conditions, wherein "ambient conditions" means conditions at about 1 atmosphere and about 50% relative humidity. All numerical ranges are inclusive and can be combined to form narrower ranges that are not explicitly disclosed. For example, the upper and lower limits of the ranges depicted are interchangeable to form additional ranges.

[0011] The compositions of the present invention may comprise, consist essentially of, or consist of the essential components and optional ingredients described herein. As used herein, "consisting essentially of" means that the composition or component may only contain additional ingredients that do not materially alter the basic and novel features of the claimed composition or method. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0012] definition

[0013] "About" modifies a particular value by referring to a range equal to plus or minus twenty percent (+ / - 20%) or less (eg, less than 15%, 10%, or even less than 5%) of the specified value.

[0014] "Applying" as used with reference to a composition means applying or spreading the composition of the present invention onto the surface of human skin, such as the epidermis.

[0015] By "derivatives" herein is meant amide, ether, ester, amino, carboxyl, acetyl and / or alcohol derivatives of a given compound.

[0016] "Effective amount" refers to an amount of a compound or composition sufficient to significantly induce a positive benefit to keratinous tissue over the course of a treatment period. The positive benefit may be a health, appearance and / or feel benefit, including the benefits disclosed herein, alone or in combination.

[0017] "Cosmetic agent" refers to any substance and any component thereof that is intended to be rubbed, poured, sprinkled, sprayed, introduced or otherwise applied to the mammalian body or any part thereof to provide a cosmetic effect. Cosmetic agents may include substances generally recognized as safe (GRAS) by the U.S. Food and Drug Administration, food additives, and materials used in non-cosmetic consumer products (including over-the-counter drugs).

[0018] "Cosmetic composition" refers to a composition comprising a cosmetic agent. Examples of cosmetic compositions include color cosmetics (e.g., foundation, lipstick, concealer, and mascara), skin care compositions (e.g., moisturizers and sunscreens), personal care compositions (e.g., rinse-off and leave-on body washes and soaps), hair care compositions (e.g., shampoos and conditioners).

[0019] "Skin care" refers to regulating and / or improving the condition of the skin (e.g., skin health, appearance, or texture / feel). Some non-limiting examples of improving skin condition include improving the appearance and / or feel of the skin by providing a smoother, more even appearance and / or feel; increasing the thickness of one or more layers of the skin; improving the elasticity or resilience of the skin; improving the firmness of the skin; and reducing the oily, shiny, and / or dull appearance of the skin, improving the hydration or moisturization of the skin, improving the appearance of fine lines and / or wrinkles, improving flaking or scaling of the skin, plumping the skin, improving skin barrier properties, improving skin tone, reducing the appearance of redness or skin rashes, and / or improving the brightness, radiance, or translucency of the skin.

[0020] "Skin care actives" refers to compounds or combinations of compounds that, when applied to the skin, provide immediate and / or long-lasting benefits to the skin or cell types normally present therein. Skin care actives can modulate and / or improve the skin or its associated cells (e.g., improving skin elasticity, hydration, skin barrier function, and / or improving cell metabolism).

[0021] "Skin care composition" means a composition that contains skin care actives and that regulates and / or improves the condition of the skin.

[0022] "Synergistic" and variations thereof means that the effect provided by the combination of two or more materials is greater than the expected additive effect of those materials.

[0023] As used herein, "treatment cycle" refers to the length of time and / or frequency with which a material or composition is applied to a target skin surface.

[0024] Cosmetic composition

[0025] The cosmetic composition of the present invention comprises: polyacrylate crosspolymer-6; an aqueous carrier; and wherein the composition further comprises: silicon dioxide having an average particle size of about 0.5 microns to about 35 microns; and / or lauroyl lysine.

[0026] Preferably, the composition satisfies at least one of the following conditions (i)-(ii):

[0027] (i) wherein the weight ratio between polyacrylate crosspolymer-6 and silica is from about 10:1 to about 1:10, more preferably from about 5:1 to about 1:5, still more preferably from about 3:1 to about 1:3, and

[0028] (ii) wherein the weight ratio between polyacrylate crosspolymer-6 and lauroyl lysine is from about 10:1 to about 1:10, more preferably from about 5:1 to about 1:5, still more preferably from 3:1 to about 1:3.

[0029] The composition has a viscosity of preferably from about 100 cP to about 60,000 cP, more preferably from about 1000 cP to about 55,000 cP, more preferably from about 1,000 cP to about 48,000 cP, especially when the composition has higher levels of water.

[0030] If the composition of the present invention comprises solid oils (having a melting point of 30°C or higher) such as shea butter, cetyl alcohol, stearyl alcohol and / or behenyl alcohol, it is preferred that the composition comprises limited amounts of such solid oils to provide a fresh / light feel from a composition comprising higher levels of water. The total level of solid oils in the composition is preferably at most about 0.5%, more preferably at most about 0.3%, still more preferably at most about 0.1%, even more preferably 0%.

[0031] The cosmetic compositions herein are intended for topical application to human skin.The compositions herein may optionally include one or more additional skin actives or other types of ingredients commonly included in topical cosmetic compositions.

[0032] The cosmetic composition herein can be a cosmetic composition, a pharmaceutical composition or a cosmeceutical composition, and can be provided in various product forms, including but not limited to solutions, suspensions, lotions, gels, lotions, cleansing liquid washing hydrogels, film-forming products, etc. In some cases, the composition form may conform to the selected specific dermatologically acceptable carrier. For example, the composition (and carrier) can be provided in the form of an emulsion (e.g., water-in-oil, oil-in-water, or water-in-oil-in-water) or an aqueous dispersion. Preferably, the cosmetic composition of the present invention is in the form of an oil-in-water emulsion.

[0033] pH of the composition

[0034] Typically, cosmetic compositions are formulated to have a slightly acidic to neutral pH (i.e., 5.0 to 7.0), which is believed to improve the stability of certain ingredients in the composition (e.g., niacinamide, salicylates, and neutralized thickeners). However, formulating skin care compositions at a low pH (e.g., 2.0 to 5.0) can also provide certain benefits, such as improving the skin or appearance, enhancing the acid mantle of the skin, exfoliating the skin, improving skin texture, and / or providing flexibility in the product formulation.

[0035] The compositions of the present invention may have a lower pH, ie, less than 5.0, preferably from about 1.5 to about 4.9, more preferably from about 2.0 to about 4.5, still more preferably from about 2.5 to about 4.0, or even more preferably from about 3.5 to about 4.0.

[0036] It has now been found that polyacrylate crosspolymer-6 can provide suitable resistance to low pH environments and provide the desired feel and opacity properties to the composition. It has also been found that at lower pH, it is preferred to use increased amounts of polyacrylate crosspolymer-6 to provide a certain viscosity to the composition, however, such increased amounts of polyacrylate crosspolymer-6 tend to cause a tacky feel.

[0037] By using the above-mentioned specific silica and / or specific lauroyl lysine, the composition provides a reduced sticky feel while having sufficient viscosity from polyacrylate crosspolymer-6.

[0038] Polyacrylate Crosspolymer-6

[0039] The compositions of the present invention comprise polyacrylate crosspolymer-6 at levels from about 0.7% to about 5%, preferably from about 1% to about 5%, more preferably from about 1.5% to about 4%, still more preferably from about 1.8% to about 4%.

[0040] Polyacrylate crosspolymer-6 is commercially available, for example, as SEPIMAX ZEN from Seppic, France.

[0041] Silicon dioxide

[0042] The composition preferably comprises silica at a level of from about 0.1% to about 10%, more preferably from about 0.3% to about 7%, still more preferably from about 0.5% to about 5%.

[0043] In view of improved sensory feel, the silica useful herein has an average particle size of about 0.5 microns to about 35 microns, preferably about 1 micron to 31 microns, more preferably about 1 micron to 15 microns, and still more preferably about 1 micron to about 10 microns, because too small particles may not provide sufficient smoothness, while too large particles may provide a scrubbing-like feel. Preferably, the silica has a spherical shape.

[0044] In view of providing a balance between improved sensory feel and moisturizing feel, the silica useful herein has an oil absorption rate of from about 1 ml / 100 g to about 130 ml / 100 g, preferably from about 1 ml / 100 g to about 120 ml / 100 g, more preferably from about 1 ml / 100 g to about 100 ml / 100 g, still more preferably from about 1 ml / 100 g to about 50 ml / 100 g.

[0045] Commercial examples of spherical silica having such a particle size and such an oil absorption are for example Goddball G6C having an average particle size of 3-5 microns and an oil absorption of 30 ml / 100 g, and Goddball E90C having an average particle size of 30 microns and an oil absorption of 120 ml / 100 g.

[0046] Lauroyl Lysine

[0047] The compositions of the present invention preferably comprise lauroyl lysine at a level of from about 0.1% to about 10%, preferably from about 0.3% to about 7%, more preferably from about 0.5% to about 5%.

[0048] The shape of lauroyl lysine can be any shape. Preferably, the shape of lauroyl lysine is spherical or flat polygonal (selected from flat pentagon, flat hexagon and flat heptagon, preferably flat hexagon). More preferably, the shape of lauroyl lysine is flat polygonal.

[0049] In view of improved sensory feel, it is preferred that the lauroyl lysine in a flat polygonal shape has an average particle size of about 10 μm to about 40 μm, more preferably about 15 μm to about 35 μm, more preferably about 20 μm to 30 μm, because particles that are too small may not provide sufficient elasticity / softness, while particles that are too large may provide a scrubbing-like feel.

[0050] A commercial example of such lauroyl lysine in a flat polygonal shape having such a particle size is for example Amihope LL available from Ajinomoto which has a flat hexagonal shape and has an average particle size of 20-30 microns.

[0051] Preferably, the spherical lauroyl lysine has an average particle size of about 1 micron to about 30 microns, more preferably about 2 microns to about 20 microns, more preferably about 3 microns to 8 microns.

[0052] Lauroyl lysine, especially when it is in a flat polygonal shape, can be dispersed in the composition as a lamellar structure comprising a few or a few flat polygonal crystals. It is believed that lauroyl lysine provides an improved moisturizing / cushioning feel compared to starch solid powders and cellulose solid powders.

[0053] In addition, compared to hydrophilic solid polymer powders such as starch solid powders and cellulose solid powders, it is believed that lauroyl lysine provides reduced pilling and / or caking, especially when the composition contains higher levels of hydrophilic thickeners. For such reduced pilling and / or caking, it is preferred that the composition is substantially free of such hydrophilic solid polymer powders, i.e., contains 0.1% or less, more preferably 0.05% or less of such hydrophilic solid polymer powders. Still more preferably, the composition of the present invention is free of such hydrophilic solid polymer powders, i.e., contains 0% of such hydrophilic solid polymer powders.

[0054] It is also believed that lauroyl lysine may provide a matte appearance and / or reduced visibility of skin pores.

[0055] Essentially free of microplastic solid particles

[0056] The composition of the present invention containing silicon dioxide and / or lauroyl lysine can provide a reduced sticky feeling while having sufficient viscosity from polyacrylate crosspolymer-6 without using microplastic solid particles. Therefore, considering the reduction in the use of microplastic solid particles, the composition of the present invention can also provide environmental benefits. Such microplastic solid particles are, for example, nylon powder, polyurethane powder, polyethylene powder, silicone resin powder. In the present invention, it is preferred that the composition is substantially free of such microplastic solid particles. More preferably, the composition of the present invention does not contain such microplastic solid particles, i.e. contains 0% of such microplastic solid particles.

[0057] Aqueous carrier / water

[0058] The composition preferably comprises an aqueous carrier. Preferably, the aqueous carrier is substantially water. Preferably, deionized water is used. Depending on the desired characteristics of the composition, water from natural sources containing mineral cations may also be used.

[0059] The compositions of the present invention comprise water at a level from about 55% to about 99%, preferably from about 60% to about 98%, more preferably from about 60% to about 95%, still more preferably from about 60% to about 90%, by weight of the composition.

[0060] In some cases, the compositions herein are in the form of oil-in-water ("O / W") emulsions that provide a light and non-greasy sensory feel. Suitable O / W emulsions herein may comprise a continuous aqueous phase greater than 50% by weight of the composition, and the remainder being a dispersed oil phase. The aqueous phase may comprise from 1% to 99% water, based on the weight of the aqueous phase, and any water-soluble and / or water-miscible ingredients. In these cases, the dispersed oil phase will typically be present at less than 30% (e.g., 1% to 20%, 2% to 15%, 3% to 12%, 4% to 10%, or even 5% to 8%) by weight of the composition to help avoid some of the undesirable sensory effects of oily compositions. The oil phase may include one or more volatile oils and / or non-volatile oils (e.g., vegetable oils, silicone oils, and / or hydrocarbon oils).

[0061] Skin Conditioners

[0062] Optionally, the compositions of the present invention may further comprise a skin conditioning agent. These agents may be selected from humectants and emollients. The amount of skin conditioning agent may range from about 1% to about 50%, preferably from about 2% to about 40%, more preferably from about 5% to about 30% by weight of the composition.

[0063] Humectants are polyols intended for moisturizing, reducing scaling, and promoting the removal of accumulated scaling from the skin. Typical polyols include polyalkylene glycols, and more preferably alkylene polyols and their derivatives. Exemplary are propylene glycol, dipropylene glycol, polypropylene glycol, polyethylene glycol, sorbitol, hydroxypropyl sorbitol, hexylene glycol, 1,3-butylene glycol, 1,2,6-hexanetriol, ethoxylated glycerol, propoxylated glycerol, and mixtures thereof. Most preferably, the humectant is glycerol.

[0064] When the conditioning agent is an emollient it may be selected from hydrocarbons, fatty acids, fatty alcohols and esters.

[0065] Fatty alcohol

[0066] The compositions herein may contain fatty alcohols. Fatty alcohols refer to high molecular weight, straight chain primary alcohols having the following general structure:

[0067]

[0068] Wherein n=8 to 32.

[0069] Fatty alcohols can be natural or synthetic, saturated or unsaturated, branched or straight chain. Some non-limiting examples of fatty alcohols commonly used in cosmetic compositions include caprylic alcohol, capric alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol. Fatty alcohols herein can generally be represented by the number of carbon atoms in the molecule. For example, "C12 alcohol" refers to an alcohol having 12 carbon atoms in its chain (i.e., dodecanol).

[0070] Fatty alcohols may be included in the compositions herein at 0.0001% to 15% (e.g., 0.0002% to 10%, 0.001% to 15%, 0.025% to 10%, 0.05% to 7%, 0.05% to 5%, or even 0.1% to 3%) by weight of the composition.

[0071] Whitening Agents

[0072] The composition of the present invention may contain a whitening agent. Whitening agents useful herein refer to active ingredients that not only change the appearance of the skin, but also further improve hyperpigmentation compared to pretreatment. Available whitening agents herein include ascorbic acid compounds, vitamin B3 compounds, azelaic acid, butylated hydroxyanisole, gallic acid and derivatives thereof, hydroquinoline, kojic acid, arbutin, mulberry extract, tetrahydrocurcumin, and mixtures thereof. It is also believed that the use of a combination of whitening agents is advantageous because they can provide whitening benefits through different mechanisms.

[0073] When used, the compositions preferably comprise from about 0.1% to about 10%, more preferably from about 0.2% to about 5%, by weight of the composition, of a whitening agent.

[0074] Ascorbic acid compounds are useful whitening agents, and ascorbyl glucoside is a preferred derivative of ascorbic acid compounds.

[0075] Conditioner

[0076] The compositions herein may comprise from 0.1% to 50% by weight of a conditioning agent (e.g., from 0.5% to 30%, from 1% to 20%, or even from 2% to 15%). The addition of a conditioning agent may help provide the composition with desirable sensory properties (e.g., a silky, lubricated feel upon application). Some non-limiting examples of conditioning agents include hydrocarbon oils and waxes, silicones, fatty acid derivatives, cholesterol, cholesterol derivatives, diglycerides, triglycerides, vegetable oils, vegetable oil derivatives, acetylated glycerides, alkyl esters, alkenyl esters, lanolin, wax esters, beeswax derivatives, sterols and phospholipids, their salts, isomers and derivatives, and combinations thereof.

[0077] Examples of particularly suitable conditioning agents include non-volatile silicone fluids such as dimethicone copolyols, dimethicone, diethylpolysiloxane, mixed C1-30 alkyl polysiloxanes, phenyl dimethicone, dimethiconol, dimethicone, dimethiconol, silicone crosspolymers, and combinations thereof. Dimethicone may be particularly suitable because some consumers associate the sensory properties provided by certain dimethicone fluids with good moisturization.

[0078] Hydrophilic thickener

[0079] In some embodiments, the compositions of the present invention may also include one or more hydrophilic thickeners. When present, the composition preferably comprises from about 0.01% to about 5%, more preferably from about 0.1% to about 4%, and still more preferably from about 0.1% to about 3% of a hydrophilic thickener by weight of the composition.

[0080] The hydrophilic thickener usable herein is not particularly limited as long as it is one generally used in cosmetic products. Examples include natural or semi-synthetic water-soluble polymers, synthetic water-soluble polymers, and inorganic water-soluble polymers.

[0081] As natural or semi-synthetic water-soluble polymers, polysaccharides and their derivatives (including water-soluble alkyl-substituted polysaccharide derivatives) are preferably used. Specific examples include plant-based polymers, such as gum arabic, tragacanth, galactomannan gum (galaetan), guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seeds (Quinco), algin (brown algae extract), starch (rice, corn, potato, wheat) and glycyrrhizic acid; polymers based on microorganisms, such as xanthan gum, dextran, succinoglycan and pullulan; polymers based on starch, such as carboxymethyl starch and methyl hydroxypropyl starch; polymers based on cellulose, such as methylcellulose, nitrocellulose, ethylcellulose, methyl hydroxypropyl cellulose, hydroxyethyl cellulose, sodium cellulose sulfate, hydroxypropyl cellulose, sodium carboxymethyl cellulose (CMC), crystalline cellulose and cellulose powder; and polymers based on alginic acid, such as sodium alginate and propylene glycol esters of alginic acid.

[0082] Synthetic water-soluble polymers include ionic or nonionic water-soluble polymers, for example, vinyl-based polymers such as polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone and carboxyvinyl polymer (carbomer); acryl-based polymers such as sodium polyacrylate, polyethyl acrylate, polyacrylamide compounds and acrylic acid / methacrylate alkyl ester copolymers (product name "pemulen TR-1").

[0083] The polyacrylamide compound specifically includes a polyacrylamide compound composed of a homopolymer, a copolymer or a crosslinked polymer containing one or more constituent units selected from 2-acrylamido-2-methylpropanesulfonic acid (hereinafter sometimes abbreviated as "AMPS"), acrylic acid and derivatives thereof.

[0084] Specific examples of such polyacrylamide compounds include vinyl pyrrolidone / 2-acrylamide-2-methylpropanesulfonic acid (salt) copolymers, dimethylacrylamide / 2-acrylamide-2-methylpropanesulfonic acid (salt) copolymers, acrylamide / 2-acrylamide-2-methylpropanesulfonic acid copolymers, dimethylacrylamide / 2-acrylamide-2-methylpropanesulfonic acid cross-linked polymers cross-linked with methylenebisacrylamide, a mixture of polyacrylamide and sodium polyacrylate, sodium acrylate / 2-acrylamide-2-methylpropanesulfonic acid copolymers, hydroxyethyl acrylate / 2-acrylamide-2-methylpropanesulfonic acid (salt) copolymers, ammonium polyacrylate, polyacrylamide / ammonium acrylate copolymers, and acrylamide / sodium acrylate copolymers. However, the compounds are not limited to these examples.

[0085] Preferred examples of the salt in the preceding paragraph include alkali metal salts such as calcium salts and magnesium salts, ammonium salts, organic amine salts such as monoethanolamine salts, diethanolamine salts, and triethanolamine salts. One or more of these polyacrylamide compounds may be used.

[0086] These polyacrylamide compounds can be synthesized or obtained as commercial products. For example, the vinyl pyrrolidone / 2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer can be "Aristoflex AVC" (manufactured by Clariant), the sodium acrylate / 2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer can be "Simulgel EG" (manufactured by Seppic) or "Simulgel EPG" (manufactured by Seppic), the acrylamide / 2-acrylamide-2-methylpropanesulfonic acid sodium salt copolymer can be "Simulgel 600" (manufactured by Seppic), the acrylamide / 2-acrylamide-2-methylpropanesulfonic acid (salt) can be "Sepigel 305" (manufactured by Seppic) or "Sepigel 501" (manufactured by Seppic), the homopolymer of 2-acrylamide-2-methylpropanesulfonic acid sodium salt can be "1-lostacerin AMPS" (manufactured by Clariant) or "Simulgel 800" (manufactured by Seppic), and dimethylacrylamide / 2-acrylamido-2-methylpropanesulfonic acid may be "SU-Polymer 0-1" (manufactured by Toho Chemical Industry).

[0087] The hydrophilic thickener in the water-based cosmetic of the present invention may be a combination of one or more types.

[0088] Emulsifier

[0089] When the composition is in the form of an emulsion, it may contain an emulsifier. The emulsifier may be nonionic, anionic, cationic or zwitterionic. Some non-limiting examples of emulsifiers are disclosed in U.S. Patents 3,755,560, 4,421,769, and the U.S. publishes 2006 / 0275237 and McCutcheon's Detergents and Emulsifiers, North American Edition 317-324 pages (1986). Suitable examples of emulsifiers include nonionic stearic acid derivative emulsifiers, such as polysorbate-20, glyceryl stearate, sorbitan stearate, PEG-100 stearate, stearyl polyoxyethylene ether-2, stearyl polyoxyethylene ether-21, glyceryl polyoxyethylene ether-25 pyrrolidone carboxylic acid isostearate and combinations of these.

[0090] Other optional ingredients .

[0091] The compositions herein may include one or more optional ingredients known for use in topical cosmetic compositions, provided that the optional components do not unacceptably alter the desired beneficial effects of the composition. In some cases, it may be desirable to select cosmetic actives that act via different biological pathways so that the actives do not interfere with each other. When the composition is in the form of an emulsion, the additional ingredients should not introduce instability (e.g., syneresis) into the emulsion. For example, it may be desirable to select optional ingredients that do not form complexes with other ingredients in the composition, especially pH-sensitive ingredients such as vitamin B3 compounds, salicylates, and peptides.

[0092] Additional ingredients should be suitable for use in contact with human skin tissue without undue toxicity, incompatibility, instability, allergic response, and the like. When present, optional components may be included in an amount of about 0.001% to 50% (e.g., 0.01% to 40%, 0.1% to 30%, 0.5% to 20%, or even 1% to 10%) by weight of the composition. Some non-limiting examples of additional ingredients include vitamins, minerals, peptides and peptide derivatives, sugar amines, sunscreens, oil control agents, particles, flavonoid compounds, hair growth regulators, antioxidants and / or antioxidant precursors, preservatives, protease inhibitors, tyrosinase inhibitors, anti-inflammatory agents, moisturizers, exfoliants, skin lighteners, sunscreens, sunless tanning agents, lubricants, anti-acne agents, anti-cellulite agents, chelating agents, anti-wrinkle actives, anti-atrophy actives, phytosterols and / or plant hormones, N-acyl amino acid compounds, antimicrobial agents, and antifungal agents. Some particularly suitable examples of additional ingredients include one or more skin care actives selected from the group consisting of vitamin B3 compounds (e.g., niacinamide), n-acyl amino acids (e.g., undecylenoyl phenylalanine), vitamin E compounds (e.g., tocopheryl acetate), palmitoylated dipeptides (e.g., palmitoyl-lysine-threonine), palmitoylated pentapeptides (e.g., palmitoyl-lysine-threonine-threonine-lysine-serine), vitamin A compounds (e.g., retinol and retinyl propionate), and combinations thereof. Other non-limiting examples of optional ingredients and / or skin care actives that may be suitable for use herein are described in U.S. Patent Publication Nos. 2002 / 0022040, 2003 / 0049212, 2004 / 0175347, 2006 / 0275237, 2007 / 0196344, 2008 / 0181956, 2008 / 0206373, 2010 / 0092408, 2008 / 0206373, 2010 / 0239510, 2010 / 0189669, 2011 / 019663 Nos. 10 / 0272667, 2011 / 0262025, 2011 / 0097286, US2012 / 0197016, 2012 / 0128683, 2012 / 0148515, 2012 / 0156146 and 2013 / 0022557, and U.S. Patents 5,939,082, 5,872,112, 6,492,326, 6,696,049, 6,524,598, 5,972,359 and 6,174,533.

[0093] Sucrose esters can be used herein. Such sucrose esters can be a blend of two or more sucrose esters, wherein the two or more sucrose esters are present in a ratio of any one sucrose ester to another sucrose ester of 1:10 to 1:1 (e.g., 1:7, 1:5, 1:3, or 1:2). In some cases, the sucrose ester can be a blend of sucrose laurate and sucrose dilaurate, wherein sucrose laurate is present at 50% to 80% by weight of the sucrose ester, and sucrose dilaurate is present at 20% to 45% by weight of the sucrose ester. Alternatively, the sucrose ester can be a blend of sucrose laurate, sucrose dilaurate, and sucrose trilaurate, wherein sucrose dilaurate is present at more than 35% by weight of the sucrose ester. A particularly suitable example of a sucrose ester for use herein is sucrose dilaurate BC10034 available from BASF.

[0094] Method of using the cosmetic composition

[0095] The method of use herein includes identifying the target skin part of the person that needs to be treated, and applying the composition to the target skin part during the treatment period. The target skin part can be on the surface of the facial skin (such as the forehead, perioral, chin, periorbital, nose and / or cheek) or another part of the body (such as hands, arms, legs, back, chest). The person who needs to be treated is a person whose skin shows signs of oxidative stress (such as fine lines, wrinkles, hyperpigmentation, uneven skin tone and / or other visible skin features that are usually associated with aging). In some cases, the target part of the skin may not show visible signs of skin aging, but if the area is an area where such problems usually occur as people age, users (such as relatively young users) may still wish to target such skin areas. In this way, the present method can be used as a preventive measure to delay the occurrence of visible signs of skin aging.

[0096] Can be during the treatment period to the target skin part, and if necessary, to the surrounding skin at least once a day, twice a day or in a more frequent number of times a day, apply composition.When twice a day, use for the first time and the second time at least 1 to 12 hours apart.Usually, composition can be used in the morning and / or before going to bed at night.The treatment period can last at least 1 week (for example, about 2 weeks, 4 weeks, 8 weeks or even 12 weeks).In some cases, the treatment period will extend multiple months (i.e. 3 months to 12 months).In some cases, composition can be used at most times in a week (for example, at least 4 days, 5 days or 6 days per week), at least once a day or even twice a day during the treatment period of at least 2 weeks, 4 weeks, 8 weeks or 12 weeks.

[0097] The step of applying the composition can be achieved by topical application. With regard to the application of the composition, the terms "topical", "local", "topically" refer to delivering the composition to a target area (e.g., wrinkles or fine lines) while minimizing delivery to skin surfaces that are not desired for treatment. The composition can be applied to and gently rubbed into the skin area. The form of the composition or dermatologically acceptable carrier should be selected to facilitate topical application. Although certain embodiments herein contemplate that the composition is topically applied to a certain area, it should be understood that the composition herein can be widely applied to one or more skin surfaces. In certain embodiments, the composition herein can be used as part of a multi-step beauty regimen, wherein the composition of the present invention can be applied before and / or after one or more other compositions.

[0098] combination

[0099] 1. A cosmetic composition comprising, by weight:

[0100] (a) from about 0.7% to about 5% of polyacrylate crosspolymer-6; and

[0101] (b) Aqueous Carrier

[0102] The composition further comprises (c) and / or (d):

[0103] (c) from about 0.1% to about 10% silicon dioxide having an average particle size of from about 0.5 microns to about 35 microns;

[0104] (d) from about 0.1% to about 10% lauroyl lysine.

[0105] 2. A composition according to the preceding features, wherein the composition comprises from about 1% to about 5%, preferably from about 1.5% to about 4%, more preferably from about 1.8% to about 4% of polyacrylate crosspolymer-6.

[0106] 3. A composition according to any of the preceding features, wherein the composition comprises from about 55% to about 99% water.

[0107] 4. A composition according to any of the preceding features, wherein the silica has a spherical shape.

[0108] 5. A composition according to any of the preceding features, wherein the silica has an average particle size of about 1 micron to about 31 microns, preferably about 1 micron to 15 microns, more preferably about 1 micron to about 10 microns.

[0109] 6. The composition according to any of the preceding features, wherein the lauroyl lysine has a flat polygonal shape.

[0110] 7. A composition according to any of the preceding features, wherein the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, preferably about 15 microns to about 35 microns, more preferably about 20 microns to about 30 microns.

[0111] 8. A composition according to any of the preceding features, wherein the silica has an oil absorption of about 1 ml / 100 g to about 130 ml / 100 g, preferably about 1 ml / 100 g to about 120 ml / 100 g, more preferably about 1 ml / 100 g to about 100 ml / 100 g, and still more preferably about 1 ml / 100 g to about 50 ml / 100 g.

[0112] 9. A composition according to any of the preceding features, wherein the weight ratio between polyacrylate crosspolymer-6 and silica is from about 10:1 to 1:10, preferably from about 5:1 to about 1:5, more preferably from about 3:1 to about 1:3.

[0113] 10. A composition according to any of the preceding features, wherein the weight ratio between polyacrylate crosspolymer-6 and lauroyl lysine is from about 10:1 to 1:10, preferably from about 5:1 to about 1:5, more preferably from about 3:1 to about 1:3.

[0114] 11. A composition according to any of the preceding features, wherein the pH of the composition is between about 2.0 and about 5.0.

[0115] 12. Use of a composition according to any of the preceding features for providing a reduced tacky feel.

[0116] 13. Use of a composition according to any of the preceding features to provide a reduction in the use of microplastic solid particles as an environmental benefit.

[0117] Example

[0118] Cosmetic composition (weight %)

[0119]

[0120] Cosmetic composition (weight %)

[0121]

[0122]

[0123] Details of ingredients used in the table above

[0124]

[0125] Adhesion (breaking time δ)

[0126] Tack is evaluated by the time to break delta, which is measured by the "Tack Method" hereinafter. Higher values ​​of the time to break delta mean reduced persistent tack.

[0127] Stickiness method (also called stickiness test)

[0128] The method uses a texture analyzer to contact the probe with the film formed by the composition. The texture analyzer then measures the force required to separate the probe from the composition film. The average break time and the change in break time can be measured by the method. The tack method is configured to run for 100 minutes. Not limited by theory, it is believed that the tack characteristics shown by the composition during the tack test are similar to the tack characteristics shown by the composition in the first few minutes (e.g., less than 10 minutes, between 30 seconds and 5 minutes, or between 1 minute and 3 minutes) when the user uses the composition. Figure 1 An exemplary test apparatus for adhesion testing is shown. A TA.XT2i brand texture analyzer (purchased from Texture Technologies Corporation, MA) 50 or equivalent is used to measure the adhesion of the film formed by the composition of interest. The texture analyzer is equipped with an adhesion probe 52 in the form of a 12.75 mm diameter acrylic cylinder with a flat surface. During the test, the flat surface of the probe 52 is brought into contact with the surface of the film of the composition. Therefore, the flat surface of the probe and the surface of the film must be parallel to each other during the test to ensure that the film has sufficient contact over the entire effective test surface of the probe 52. The film is prepared by filling or overfilling a rectangular channel 54 (e.g., 25 cm long x 30 mm wide x 0.25 mm deep) with the composition to be tested (and then pulling it down).

[0129] The test uses the adhesion test procedure, using a pre-test speed of 0.10 mm / second, a test speed of 0.10 mm / second, and a post-test speed of 1.0 mm / second to carry out. The applied force is 200 g, the return distance is 4 mm, and the contact time is 5.0 s. The trigger type of the designated sample contact is set to automatic, and the trigger force is 5.0 g. The test is run and immediately after the film is prepared, it is run with the following time increments: <1 minute (i.e., immediately after the film is prepared), 10 minutes, 20 minutes, 30 minutes, 40 minutes, 50 minutes, 60 minutes, 80 minutes, and 100 minutes. Each time point is run on the previously unperturbed / untested area of ​​the sample. Each sample is run in parallel three times, and the average value is recorded.

[0130] Data extraction uses the data portion collected when the probe is pulled upward from the sample. The break time is determined by the width of the force curve. The starting time of the break time calculation is the time when the sign of the force applied by the texture analyzer changes from a negative value to a positive value when the time zero (that is, the test starts) and the force decays back to 0.0+ / -0.02 from the peak force as the break time. The average break time is recorded as the mean value of the break time at 60 minutes, 80 minutes and 100 minutes. The change in the break time is the difference between the initial break time and the break time at 100 minutes.

[0131] The results for some of the above compositions are shown above along with the composition details.

[0132] Examples 1 to 6 are examples of the present invention, which are suitable for use as oil-in-water emulsion cosmetic compositions in the form of essences, lotions, serums and / or gel creams. The examples of the present invention provide reduced stickiness while having sufficient viscosity from polyacrylate crosspolymer-6. The benefits of the present invention, particularly reduced stickiness, can also be understood by comparing Examples 1-5 with the comparative example of the present invention (i.e., Comparative Example i in which lauroyl lysine and silica are not contained).

[0133] The dimensions and values ​​disclosed herein should not be understood as being strictly limited to the exact numerical values ​​cited. Instead, unless otherwise indicated, each such dimension is intended to represent the stated value and a functionally equivalent range around that value. For example, a dimension disclosed as "40 mm" is intended to represent "about 40 mm".

[0134] Unless expressly excluded or otherwise limited, each document cited herein, including any cross-referenced or related patent or patent application and any patent application or patent to which this application claims priority or the benefit of, is hereby incorporated by reference in its entirety. The citation of any document is not an admission that it is prior art to any of the present invention disclosed or claimed herein, or an admission that it, by itself or in combination with any one or more of the references, proposes, suggests, or discloses any such invention. In addition, to the extent that any meaning or definition of a term in this invention conflicts with any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this invention shall govern.

[0135] Although specific embodiments of the present invention have been illustrated and described, it will be apparent to those skilled in the art that various other changes and modifications may be made without departing from the spirit and scope of the present invention. Therefore, it is intended that all such changes and modifications within the scope of the present invention be covered in the appended claims.

Claims

1. A cosmetic composition comprising, by weight: a. from about 0.7% to about 5% of polyacrylate crosspolymer-6; and b. Aqueous carrier The composition further comprises (c) and / or (d): c. about 0.1% to about 10% of silicon dioxide having an average particle size of about 0.5 microns to about 35 microns; d. From about 0.1% to about 10% lauroyl lysine.

2. The composition of claim 1, wherein the composition comprises from about 1% to about 5%, preferably from about 1.5% to about 4%, more preferably from about 1.8% to about 4% of polyacrylate crosspolymer-6.

3. The composition of claim 1, wherein the composition comprises from about 55% to about 99% water.

4. The composition of claim 1, wherein the silica has a spherical shape.

5. The composition of claim 1, wherein the silica has an average particle size of about 1 micron to about 31 microns, preferably about 1 micron to 15 microns, more preferably about 1 micron to about 10 microns. The composition according to claim 1 , wherein the lauroyl lysine has a flat polygonal shape.

7. The composition of claim 1, wherein the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, preferably about 15 microns to about 35 microns, more preferably about 20 microns to about 30 microns.

8. The composition according to claim 1, wherein the silica has an oil absorption of about 1 ml / 100 g to about 130 ml / 100 g, preferably about 1 ml / 100 g to about 120 ml / 100 g, more preferably about 1 ml / 100 g to about 100 ml / 100 g, and still more preferably about 1 ml / 100 g to about 50 ml / 100 g.

9. The composition according to claim 1, wherein the weight ratio between polyacrylate crosspolymer-6 and silica is from about 10:1 to 1:10, preferably from about 5:1 to about 1:5, and more preferably from about 3:1 to about 1:

3.

10. The composition according to claim 1, wherein the weight ratio between polyacrylate crosspolymer-6 and lauroyl lysine is about 10:1 to 1:10, preferably about 5:1 to about 1:5, more preferably about 3:1 to about 1:

3.

11. The composition of claim 1, wherein the pH of the composition is between about 2.0 and about 5.

0.

12. Use of a composition according to any one of claims 1 to 11 for providing a reduced tacky feel.

13. Use of a composition according to any one of claims 1 to 11 for providing a reduction in the use of microplastic solid particles as an environmental benefit.

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