Cosmetic composition containing mica and lauroyl lysine

Abstract

The present invention is directed to a cosmetic composition comprising, by weight, about 0.01% to about 5% mica, about 0.1% to about 10% lauroyl lysine, and about 55% to about 99% water, which satisfies at least one of the following conditions (i) to (iii): (i) the weight ratio between mica and lauroyl lysine is about 2:1 to about 1:10; (ii) the mica has an average particle size of about 5 microns to about 20 microns, the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, and the average particle size ratio between mica and lauroyl lysine is about 1:1 to about 1:5; and (iii) the lauroyl lysine has a flat polygonal shape. The cosmetic composition of the present invention provides the effect of reducing the frictional feeling / reducing the resistance feeling due to mica.

Description

[Technical Field]

[0001] The present invention relates to a cosmetic composition comprising, by weight, about 0.01% to about 5% mica, about 0.1% to about 10% lauroyl lysine, and about 55% to about 99% water, wherein the composition satisfies at least one of the following conditions (i) to (iii): (i) the weight ratio of mica to lauroyl lysine is about 2:1 to about 1:10, (ii) the mica has an average particle size of about 5 microns to about 20 microns, the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, and the average particle size ratio of mica to lauroyl lysine is about 1:1 to about 1:5, and (iii) the lauroyl lysine has a flat polygonal shape. The cosmetic composition of the present invention provides the effect of reduced friction / resistance attributed to mica. [Background technology]

[0002] Mammalian keratinous tissue, particularly human skin, is subject to various damages caused by both exogenous and endogenous factors. Such exogenous factors include ultraviolet light, environmental pollution, wind, heat, infrared rays, low humidity, harsh surfactants, abrasives, etc. Meanwhile, endogenous factors include chronological aging and other biochemical changes within the skin. Whether exogenous or endogenous, these factors result in visible signs of skin damage. Typical skin damage in aged or damaged skin includes fine lines, wrinkles, hyperpigmentation, pale skin, sagging, dark circles under the eyes, puffy eyes, enlarged pores, a slow turnover rate, and abnormal desquamation or peeling. Additional damage caused by both exogenous and endogenous factors includes visible necrotic skin, i.e., peeling, flaking, dryness, and roughness.

[0003] Currently, there are several personal care products available to consumers that are aimed at improving the health and physical appearance of keratinous tissues such as skin, hair, and nails.Most of these products are aimed at delaying, minimizing, or even eliminating skin wrinkles, age 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 comfortable to use.

[0004] Some cosmetic products contain interference / pearlescent pigments, such as mica, to provide an alternative to color pigments for reducing the appearance of imperfections such as age spots, pores, fine lines, etc. Such interference / pearlescent pigments are typically thin, platelet-like particles.

[0005] However, it has been found by the inventors that, in such thin plate-like particles, mica, particularly TiO2-coated mica, may cause a frictional / resistance sensation during application to the skin, especially when mica is included in cosmetic compositions containing higher levels of water, when mica is included in cosmetic compositions containing lower levels of oil, and / or when mica is included at higher levels in such cosmetic compositions. Summary of the Invention [Problem to be solved by the invention]

[0006] Based on the foregoing, there is a need for cosmetic compositions that provide the benefits attributed to reduced friction / reduced drag when mica is included in cosmetic compositions containing higher levels of water, when mica is included in cosmetic compositions containing lower levels of oil, and / or when mica is included at higher levels in such cosmetic compositions.

[0007] Additionally: The mica-attributed benefits of providing a fresh / light feel from compositions containing higher levels of water while also reducing the feeling of heavy coating and / or reducing friction / resistance; The mica-induced effects, particularly the shine and / or brightness due to the mica, which result in a reduction in the oily, greasy shine caused by the oils derived from the composition, while at the same time reducing the heavy coating feeling and / or reducing the friction / resistance feeling; and Reduced friction / reduced resistance, effects attributed to mica, especially improved brightness and / or brilliance with higher levels of mica; There may be a need for a cosmetic composition that provides at least one of the following: [Means for solving the problem]

[0008] The present invention comprises, by weight: Approximately 0.01% to 5% mica, Approximately 0.1% to 10% lauroyl lysine, Approximately 55% to 99% water, A cosmetic composition comprising: The composition satisfies the following conditions (i) to (iii): (i) the weight ratio between mica and lauroyl lysine is about 2:1 to about 1:10; (ii) the mica has an average particle size of about 5 microns to about 20 microns, the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, and the average particle size ratio between mica and lauroyl lysine is about 1:1 to about 1:5; and (iii) lauroyl lysine has a flat polygonal shape; The present invention is directed to a cosmetic composition that satisfies at least one of the following requirements.

[0009] It has now surprisingly been found that, under certain conditions, the compositions of the present invention, by using lauroyl lysine together with mica, provide the mica-attributable reduced friction / reduced resistance effect even when the mica is included in cosmetic compositions containing higher levels of water, even when the mica is included in cosmetic compositions containing lower levels of oil, and / or even when the mica is included at higher levels in such cosmetic compositions.

[0010] Thus, the composition of the present invention comprises: The mica-attributed benefits of providing a fresh / light feel from compositions containing higher levels of water while also reducing the feeling of heavy coating and / or reducing friction / resistance; The mica-induced effects, particularly the shine and / or brightness due to the mica, which provide a reduction in the oily, greasy shine caused by the oils derived from the composition, while also reducing the heavy coating feeling and / or reducing the friction / resistance feeling; and Reduced friction / reduced resistance, effects attributed to mica, especially improved shine and / or brightness due to high levels of mica; This results in at least one of the following: DETAILED DESCRIPTION OF THE INVENTION

[0011] References herein to "an embodiment" or the like mean that a particular material, feature, structure, and / or characteristic described in connection with that embodiment is included in at least one embodiment, and optionally in multiple embodiments, but do not mean that all embodiments incorporate the described material, feature, structure, and / or characteristic. Furthermore, materials, features, structures, and / or characteristics may be combined in any suitable manner across different embodiments, and materials, features, structures, and / or characteristics may be excluded or substituted from those described. Accordingly, the embodiments and aspects described herein can include or be combined with elements or components of other embodiments and / or aspects, even if not explicitly illustrated in combination, unless specifically stated otherwise or stated to be incompatible.

[0012] In all embodiments, unless otherwise specified, all ingredient percentages are based on the weight of the cosmetic composition. All ratios are by weight unless otherwise specified. The number of significant digits does not represent a limitation on the stated amount or on the precision of the measurements. All quantities are understood to be modified by the word "about" unless otherwise specified. Unless otherwise specified, all measurements are understood to be made at ambient conditions of approximately 25°C, where "ambient conditions" means conditions of about 1 atmosphere and about 50% relative humidity. All numerical ranges are inclusive and can be combined to form smaller ranges not expressly disclosed. For example, delimited upper and lower range limits are interchangeable to create further ranges.

[0013] The compositions of the present invention can comprise, consist essentially of, or consist of the essential and optional ingredients described herein. As used herein, "consisting essentially of" means that the composition or component may include only additional ingredients that do not materially alter the basic and novel characteristics of the claimed composition or method. As used in this 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 dictates otherwise.

[0014] definition "About" modifies a particular value by referring to a range equal to plus or minus 20 percent (±20%) or less (e.g., less than 15%, 10%, or even less than 5%) of the stated value.

[0015] "Applying" or "application" as used in reference to a composition means applying or spreading a composition of the present invention onto the surface of human skin, such as the epidermis.

[0016] As used herein, "derivative" refers to amide, ether, ester, amino, carboxyl, acetyl and / or alcohol derivatives of a given compound.

[0017] "Effective amount" means an amount of a compound or composition sufficient to significantly induce a positive effect on keratinous tissue over the course of a treatment period. The positive effect may be a health, appearance, and / or feel effect, including the effects disclosed herein, individually or in combination.

[0018] "Cosmetic agent" means any substance and any components thereof intended to be rubbed, poured, sprinkled, sprayed, introduced, or otherwise applied to the mammalian body or any part thereof to produce a cosmetic effect. Cosmetic agents can 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 such as over-the-counter drugs.

[0019] "Cosmetic composition" means a composition containing 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-in body washes and soaps), and hair care compositions (e.g., shampoos and conditioners).

[0020] "Skin care" means regulating and / or improving skin condition (e.g., skin health, appearance, or texture / feel). Some non-limiting examples of improving skin condition include improving the appearance and / or feel of skin by providing a smoother, more uniform appearance and / or feel, increasing the thickness of one or more layers of skin, improving skin elasticity or resilience, improving skin firmness, as well as reducing the oily, shiny, and / or dull appearance of skin, improving skin hydration or moisturization, improving the appearance of fine lines and / or wrinkles, improving skin exfoliation or scaling, plumping skin, improving skin barrier properties, improving skin tone, reducing the appearance of redness or skin blemishes, and / or improving skin brightness, radiance, or clarity.

[0021] "Skin care active" means a compound or combination of compounds that, when applied to the skin, produces an acute and / or chronic effect on the skin or a type of cell normally found in the skin. Skin care actives can regulate and / or improve the skin or cells associated therewith (e.g., improve skin elasticity, skin hydration, skin barrier function, and / or cellular metabolism).

[0022] "Skin care composition" means a composition that contains skin care actives and that regulates and / or improves the condition of the skin.

[0023] "Synergistic" and variations thereof mean that the effect provided by the combination of two or more materials is greater than the expected additive effect of those materials.

[0024] As used herein, "treatment period" refers to the length of time and / or frequency that a material or composition is applied to a target skin surface.

[0025] Cosmetic composition The cosmetic composition of the present invention comprises mica; lauroyl lysine; and water, and the composition meets the following conditions (i) to (iii): (i) The weight ratio between mica and lauroyl lysine is about 2:1 to about 1:10, preferably about 1:1 to about 1:7, more preferably about 1:1.2 to about 1:7, and even more preferably about 1:1.5 to about 1:5. (ii) the mica has an average particle size of about 5 microns to about 20 microns, the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, and the ratio of the average particle sizes of the mica and lauroyl lysine is about 1:1 to about 1:5, preferably about 1:1.2 to about 1:4, and more preferably about 1:1.4 to about 1:4; and (iii) lauroyl lysine has a flat polygonal shape; Satisfy at least one of the following:

[0026] The present compositions preferably have a viscosity of from about 100 cP to about 20,000 cP, more preferably from about 1000 cP to about 15,000 cP, especially when the compositions have higher levels of water.

[0027] When the compositions of the present invention contain cetyl alcohol, stearyl alcohol, and / or behenyl alcohol, it is preferred that the compositions contain limited amounts of such cetyl alcohol, stearyl alcohol, and / or behenyl alcohol, as this provides a fresh / light feel from compositions containing higher levels of water. The total level of cetyl alcohol, stearyl alcohol, and behenyl alcohol in the compositions is preferably at most about 0.5%, more preferably at most about 0.3%, even more preferably at most about 0.1%, and even more preferably 0%.

[0028] When the composition of the present invention contains a liquid oil with a higher refractive index (at ambient temperature), it is preferred that the composition contains a limited amount of such liquid oil, i.e., a liquid oil with a refractive index greater than 1.455, in order to provide a reduction in the greasy sheen / oily shine caused by the oil from the composition. The total level of such liquid oil in the composition is preferably at most about 3%, more preferably at most about 1%, and even more preferably at most about 0.5%.

[0029] If the compositions of the present invention contain liquid oils (at ambient temperature), the total level of such liquid oils (at ambient temperature) in the composition is preferably at most about 10%, more preferably 7% or less, regardless of refractive index.

[0030] The cosmetic compositions herein are intended for topical application to human skin. The compositions herein may optionally contain one or more additional skin active agents or other ingredients of the type typically found in topical cosmetic compositions.

[0031] The cosmetic compositions herein may be cosmetic compositions, pharmaceutical compositions, or cosmeceutical compositions and may be provided in a variety of product forms, including, but not limited to, solutions, suspensions, lotions, gels, toners, washes, hydrogels, film-forming products, and the like. In some cases, the form of the composition may depend on the particular dermatologically acceptable carrier selected. For example, the composition (and carrier) may 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 compositions of the present invention are in the form of an oil-in-water emulsion.

[0032] MICA The compositions of the present invention contain mica at a level of from about 0.01% to about 5%, preferably from about 0.05% to about 3%, and more preferably from about 0.1% to about 2%.

[0033] The mica preferably has an average particle size of about 5 microns to about 20 microns, more preferably about 7 microns to about 17 microns, and even more preferably about 10 microns to about 17 microns.

[0034] Micas useful herein may be natural and / or synthetic; for example, synthetic micas may have the INCI name fluorphlogopite. Micas useful herein are thin, plate-like particles and may be base substrate particles layered with a TiO film, with or without the additive titanium dioxide, where the layer thickness is from about 50 nm to about 300 nm. Such TiO layered micas may be further coated with iron oxide. The aspect ratio of mica, with or without a layering film such as TiO, preferably has an aspect ratio of at least 5, more preferably greater than 10, and even more preferably greater than 20. The aspect ratio can be determined by the average thickness and average length (also referred to as the average particle size) according to the formula: aspect ratio = length / thickness.

[0035] Preferably, the mica useful herein is synthetic mica in terms of reducing friction / resistance and controlling heavy metal content. Similarly, mica layered with a film of TiO2 is preferably used herein.

[0036] Micas useful herein may include additional surface treatments to reduce interaction with other materials, modify skin feel, and / or improve dispersibility. For example, the surface may be hydrophobically modified to enhance suspension in a hydrophobic phase or composition. The surface-treated interference pigments of the present invention may have a coating comprising from about 0.1% to about 20%, alternatively from about 0.1% to about 10%, and alternatively from about 0.1% to about 3% of the total particle weight. Non-limiting examples of surface treatments useful herein include silicones, acrylate silicone copolymers, acrylate polymers, alkyl silanes, isopropyl titanium tri-isostearate, sodium stearate, magnesium myristate, perfluoroalcohol phosphate, perfluoropolymethylisopropyl ether, lecithin, carnauba wax, polyethylene, chitosan, plant lipid extracts, and mixtures thereof, preferably silicones, silanes, stearates, and mixtures thereof.

[0037] Lauroyl Lysine The compositions of the present invention contain lauroyl lysine at a level of about 0.1% to about 10%, preferably about 0.3% to about 7%, more preferably about 0.5% to about 5%.

[0038] The shape of lauroyl lysine may be any. Preferably, the shape of lauroyl lysine is a sphere or a flattened polygon (selected from a flattened pentagon, a flattened hexagon, and a flattened heptagon, preferably a flattened hexagon). More preferably, the shape of lauroyl lysine is a flattened polygon.

[0039] In consideration of improving the sensory feel, the flat polygonal lauroyl lysine preferably has an average particle size of about 10 microns to about 40 microns, more preferably about 15 microns to about 35 microns, and more preferably about 20 microns to 30 microns, because if the particles are too small, they may not provide a sufficiently elastic / soft feel, and if the particles are too large, they may provide a scrubbing-like feel. An example of a commercially available flat polygonal lauroyl lysine having such a particle size is, for example, Amihope LL, which has a flat hexagonal shape and an average particle size of 20 to 30 microns, available from Ajinomoto Co., Inc.

[0040] The spherical lauroyl lysine preferably has an average particle size of about 1 micron to about 30 microns, more preferably about 2 microns to about 20 microns, and more preferably about 3 microns to 8 microns.

[0041] Lauroyl lysine, especially when it is flat polygonal, can be dispersed in the composition as a layer structure containing some or several flat polygonal crystals.It is believed that lauroyl lysine provides improved moisturizing / cushion-like feel compared to starch solid powder and cellulose solid powder.

[0042] Similarly, lauroyl lysine is believed to reduce pilling and / or agglomeration, especially when composition contains high level of hydrophilic thickener, compared with hydrophilic solid polymer powder such as starch solid powder and cellulose solid powder.Because of this pilling and / or agglomeration reduction, it may be preferable that the present composition does not substantially contain such hydrophilic solid powder, i.e., contains 0.1% or less, more preferably 0.05% or less of such hydrophilic solid powder.Even more preferably, the present composition does not contain such hydrophilic solid powder, i.e., contains 0% of such hydrophilic solid powder.

[0043] It is believed that lauroyl lysine may result in a matte appearance and / or reduced visibility of skin pores.

[0044] Aqueous carrier / water The composition preferably comprises an aqueous carrier. Preferably, the aqueous carrier is substantially water. Preferably, deionized water is used. Depending on the desired properties of the composition, water derived from natural sources containing mineral cations can also be used.

[0045] The compositions of the present invention contain water at a level of from about 55% to about 99%, preferably from about 60% to about 98%, more preferably from about 60% to about 95%, and even more preferably from about 60% to about 90% by weight of the composition.

[0046] In some cases, the compositions herein are in the form of oil-in-water ("O / W") emulsions, which provide a light, non-greasy sensory feel. Suitable O / W emulsions herein may comprise greater than 50% by weight of the composition as a continuous aqueous phase, with the remainder being a dispersed oil phase. The aqueous phase may comprise 1% to 99% water, based on the weight of the aqueous phase, along with any water-soluble and / or water-miscible ingredients. In these cases, the dispersed oil phase is typically present at less than 30% by weight of the composition (e.g., 1% to 20%, 2% to 15%, 3% to 12%, 4% to 10%, or even 5% to 8%) to help avoid some of the undesirable sensory effects of oily compositions. The oil phase may comprise one or more volatile and / or non-volatile oils (e.g., vegetable oils, silicone oils, and / or hydrocarbon oils).

[0047] pH of the composition Typically, cosmetic compositions are formulated to have a slightly acidic to neutral pH (i.e., 5.0-7.0), which is believed to improve the stability of certain ingredients in the composition (e.g., niacinamide, salicylates, and neutralized thickeners). However, skin care compositions can also be formulated at a lower pH (e.g., 2.0-5.0) to provide specific benefits such as improving the appearance of the skin, strengthening the skin's acid mantle, exfoliating the skin, improving skin texture, and / or providing flexibility in product formulation.

[0048] The compositions of the present invention may have a lower pH, i.e., a pH of less than 5.0, preferably from about 1.5 to about 4.9, more preferably from about 2.0 to about 4.5, even more preferably from about 2.5 to about 4.0, or even more preferably from about 3.5 to about 4.0.

[0049] Substantially free of microplastic solid particles The composition of the present invention containing lauroyl lysine can provide the effect of reduced friction / reduced resistance attributed to mica without using microplastic solid particles.Therefore, the composition of the present invention can also provide environmental benefits, considering the reduction in the use of microplastic solid particles.Such microplastic solid particles are, for example, nylon powder, polyurethane powder, polyethylene powder, and 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.

[0050] Skin conditioning agent Optionally, the compositions of the present invention can further comprise a skin conditioning agent. These agents may be selected from moisturizing agents and emollients. The amount of skin conditioning agent may range from about 1% to about 50%, preferably from about 2% to about 40%, and more preferably from about 5% to about 30% by weight of the composition.

[0051] The humectant is a polyhydric alcohol intended to moisturize, reduce flaking, and stimulate the removal of accumulated flaking from the skin.Typical polyhydric alcohols include polyalkylene glycols, more preferably alkylene polyols and their derivatives.Examples include propylene glycol, dipropylene glycol, polypropylene glycol, polyethylene glycol, sorbitol, hydroxypropyl sorbitol, hexylene glycol, 1,3-butylene glycol, 1,2,6-hexanetriol, ethoxylated glycerin, propoxylated glycerin, and mixtures thereof.Most preferably, the humectant is glycerin.

[0052] When the conditioning agent is an emollient, it may be selected from hydrocarbons, fatty acids, fatty alcohols and esters.

[0053] Fatty alcohol The compositions herein may include a fatty alcohol, which refers to a high molecular weight, straight-chain primary alcohol having the general structure:

[0054] [ka] In the formula, n=8 to 32.

[0055] Fatty alcohols may be natural or synthetic, saturated or unsaturated, branched or straight-chain. Some non-limiting examples of fatty alcohols commonly used in cosmetic compositions include capric alcohol, caprylic alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol. Fatty alcohols herein may be referred to generically 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).

[0056] 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.

[0057] Whitening agents The composition of the present invention may contain a whitening agent.The whitening agent useful herein refers to an active ingredient that not only changes the appearance of the skin, but also further improves excessive hyperpigmentation compared to before treatment.The whitening agents useful herein include ascorbic acid compounds, vitamin B3 compounds, azelaic acid, butylhydroxyanisole, gallic acid and its derivatives, hydroquinone, kojic acid, arbutin, mulberry extract, tetrahydrocurcumin, and mixtures thereof.The combined use of whitening agents is considered to be advantageous in that they can produce whitening effects through different mechanisms.

[0058] When used, the present composition preferably contains 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.

[0059] Ascorbic acid compounds are useful whitening agents, and ascorbyl glucoside is a preferred derivative of ascorbic acid compounds.

[0060] Conditioning Agent The compositions herein may comprise 0.1% to 50% by weight of a conditioning agent (e.g., 0.5% to 30%, 1% to 20%, or even 2% to 15% by weight). The addition of a conditioning agent can help provide the composition with desirable feel characteristics (e.g., a silky, smooth 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, acetoglyceride esters, alkyl esters, alkenyl esters, lanolin, wax esters, beeswax derivatives, sterols and phospholipids, salts, isomers, and derivatives thereof, and combinations thereof.

[0061] Particularly suitable examples of conditioning agents include volatile silicone fluids such as dimethicone copolyol, dimethylpolysiloxane, diethylpolysiloxane, mixed C1-30 alkylpolysiloxane, phenyldimethicone, dimethiconol, dimethicone, dimethiconol, silicone crosspolymers, and combinations thereof. Dimethicone may be particularly suitable because some consumers associate the feel properties provided by certain dimethicone fluids with good moisturizing.

[0062] Hydrophilic thickener In some embodiments, the compositions of the present invention may further comprise one or more hydrophilic thickeners. When present, the compositions preferably comprise from about 0.01% to about 5%, more preferably from about 0.1% to about 4%, and even more preferably from about 0.1% to about 3%, by weight of the composition, of hydrophilic thickener.

[0063] The hydrophilic thickeners useful herein are not particularly limited, as long as they are those commonly used in cosmetics, and examples include natural or semi-synthetic water-soluble polymers, synthetic water-soluble polymers, and inorganic water-soluble polymers.

[0064] The natural or semi-synthetic water-soluble polymer is preferably a polysaccharide or its derivative (including a water-soluble alkyl-substituted polysaccharide derivative). Specific examples include plant-based polymers such as gum arabic, tragacanth, galaetan, guar gum, locust bean gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), algae glue (brown algae extract), starch (rice, corn, potato, wheat), and glycyrrhizic acid; microbial-based polymers such as xanthan gum, dextran, succinoglycan, and pullulan; starch-based polymers such as carboxymethyl starch and methylhydroxypropyl starch; cellulose-based polymers such as methylcellulose, nitrocellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate, hydroxypropylcellulose, sodium carboxymethylcellulose (CMC), crystalline cellulose, and cellulose powder; and alginic acid-based polymers such as sodium alginate and propylene glycol ester of alginic acid.

[0065] Synthetic water-soluble polymers include ionic or non-ionic water-soluble polymers, for example, vinyl-based polymers such as polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, and carboxyvinyl polymers (carbomers); and acrylic-based polymers such as sodium polyacrylate, polyethyl acrylate, polyacrylamide compounds, and acrylic acid / alkyl methacrylate copolymers (trade name "pemulen TR-1").

[0066] The polyacrylamide compound particularly includes a polyacrylamide compound consisting of a homopolymer, copolymer, or crosspolymer containing one or more constituent units selected from 2-acrylamido-2-methylpropanesulfonic acid (hereinafter sometimes abbreviated as "AMPS"), acrylic acid, and derivatives thereof.

[0067] Specific examples of such polyacrylamide compounds include vinylpyrrolidone / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer, dimethylacrylarnide / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer, acrylamide / 2-acrylamiclo-2-methylpropanesulfonic acid copolymer, dimethylacrylainide / 2-acrylamido-2-methylpropanesulfonic acid crosspolymer crosslinked with methylenebisacrylamide, a mixture of polyacrylamide and sodium polyacrylate, sodium acrylate / 2-acrylamido-2-methylpropanesulfonic acid copolymer, hydroxyethyl acrylate / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer, ammonium polyacrylate, polyacrylamide / ammonium acrylate copolymer, and acrylamide / sodium acrylate copolymer. However, the compounds are not limited thereto.

[0068] Preferred examples of the salt in the previous paragraph include alkali metal salts (such as calcium salts and magnesium salts), ammonium salts, and organic amine salts (such as monoethanolamine salts, diethanolamine salts, and triethanolamine salts). One or more of these polyacrylamide compounds may be used.

[0069] These polyacrylamide compounds may be synthesized or obtained as commercially available products. For example, vinylpyrrolidone / 2-acrylarnido-2-methylpropanesulfonic acid (salt) copolymer may be "Aristoflex AVC" (manufactured by Clariant), sodium alylate / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer may be "Simulgel EG" (manufactured by Seppic) or "Simulgel EPG" (manufactured by Seppic), acrylamide / 2-acrylamido-2-methylpropanesulfonic acid sodium salt copolymer may be "Simulgel 600" (manufactured by Seppic), acrylamide / 2-acrylamido-2-methylpropanesulfonic acid (salt) may be "Sepigel 305" (manufactured by Seppic) or "Sepigel 501" (manufactured by Seppic), and 2-acrylamido-2-methylpropanesulfonic acid sodium homopolymer may be "1-lostacerin The polymer may be "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).

[0070] In the present invention, it may be preferable to use the following: carboxy polymers (carbomers), such as those having the trade names Carbopol 940 and Carbopol 980, and acrylic acid / alkyl (meth)acrylate copolymers, such as those having the INCI name Acrylates / C10-30 Alkyl Acrylate Crosspolymer, such as those having the trade names Carbopol 1342 Polymer, Carbopol Ultrez 20, Carbopol Ultrez 21, Pemulen TR-1, and Pemulen TR-2. By using lauroyl lysine together with these thickeners, the present composition retains the sufficient thickening effect of these thickeners while at the same time reducing the viscosity and / or resistance caused by these thickeners, especially when using such polymers at higher levels, such as 0.2% or more.

[0071] The hydrophilic thickeners in the water-based cosmetic products of the present invention may be one or a combination of two or more.

[0072] emulsifier 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. Patent Nos. 3,755,560 and 4,421,769, U.S. Patent Application Publication No. 2006 / 0275237, and McCutcheon's Detergents and Emulsifiers, North American Edition, pp. 317-324 (1986). Suitable examples of emulsifiers include nonionic stearic acid derivative emulsifiers such as polysorbate-20, glyceryl stearate, sorbitan stearate, PEG-100 stearate, steareth-2, steareth-21, glycereth-25 pyrrolidone carboxylic acid isostearate, and combinations thereof.

[0073] Other optional ingredients. The compositions herein may contain one or more optional ingredients known for use in topical cosmetic compositions, provided that the optional components do not unacceptably alter the desired benefits of the composition. In some cases, it may be desirable to select active ingredients that function through different biological pathways so that the cosmetic active ingredients 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 complex with other ingredients in the composition, particularly pH-sensitive ingredients such as vitamin B3 compounds, salicylates, and peptides.

[0074] The additional ingredients should be suitable for use in contact with human skin tissue without undue toxicity, incompatibility, instability, allergic reaction, etc. Optional ingredients, when present, may be included in an amount of about 0.001% to 50% by weight (e.g., 0.01% to 40%, 0.1% to 30%, 0.5% to 20%, or 1% to 10%) of the composition. Some non-limiting examples of additional ingredients include vitamins, minerals, peptides and peptide derivatives, sugar amines, sunscreens, oil control agents, microparticles, flavonoid compounds, hair growth regulators, antioxidants and / or antioxidant precursors, preservatives, protease inhibitors, tyrosinase inhibitors, anti-inflammatory agents, moisturizers, exfoliants, skin lightening agents, 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, antibacterial 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), vitamin B5 compounds (e.g., d-panthenol), 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 include those described in U.S. Patent Application Publication Nos. 2002 / 0022040, 2003 / 0049212, 2004 / 0175347, 2006 / 0275237, 2007 / 0196344, 2008 / 0181956, 2008 / 0206373, 2010 / 0092408, 2008 / 0206373, 2010 / 0239510, Nos. 2010 / 0189669, 2010 / 0272667, 2011 / 0262025, 2011 / 0097286, 2012 / 0197016, 2012 / 0128683, 2012 / 0148515, 2012 / 0156146 and 2013 / 0022557, as well as U.S. Pat. Nos. 5,939,082, 5,872,112, 6,492,326, 6,696,049, 6,524,598, 5,972,359 and 6,174,533.

[0075] Sucrose esters may be used herein. Such sucrose esters may be a blend of two or more sucrose esters, with the two or more sucrose esters present in a ratio of 1:10 to 1:1 (e.g., 1:7, 1:5, 1:3, or 1:2) of one sucrose ester to another. In some cases, the sucrose ester may be a blend of sucrose laurate and sucrose dilaurate, with the sucrose laurate being present at 50% to 80% by weight of the sucrose ester and the sucrose dilaurate being present at 20% to 45% by weight of the sucrose ester. Alternatively, the sucrose ester may be a blend of sucrose laurate, sucrose dilaurate, and sucrose trilaurate, with the sucrose dilaurate being present at 35% or more by weight of the sucrose ester. An example of a particularly suitable sucrose ester for use herein is sucrose dilaurate BC10034, available from BASF.

[0076] Method of using the cosmetic composition The method of use herein includes identifying a target area of ​​skin on a human in need of treatment and applying the composition to the target area of ​​skin for a treatment period. The target area of ​​skin can be on the surface of the face, such as the forehead, perioral area, chin, periorbital area, nose, and / or cheeks, or on another part of the body (e.g., hands, arms, legs, back, chest). The human in need of treatment is one whose skin shows signs of oxidative stress, such as fine lines, wrinkles, hyperpigmentation, uneven skin tone, and / or other visible skin features typically associated with aging. In some cases, the target area of ​​skin may not show visible signs of skin aging, but if such problems normally develop as human aging, the user (e.g., a relatively young user) may still want to target such skin area. In this way, the method may be used as a preventative measure to delay the onset of visible signs of skin aging.

[0077] The composition may be applied daily to the target area of ​​skin and, if desired, to surrounding skin at least once a day, twice a day, or more frequently during the treatment period. If applied twice a day, the first and second applications are separated by at least 1 to 12 hours. Typically, the composition is applied in the morning and / or at night before bedtime. The treatment period may last for at least one week (e.g., about two, four, eight, or even twelve weeks). In some cases, the treatment period will extend for several months (i.e., three to twelve months). In some cases, the composition may be applied at least once a day, or even twice a day, for the majority of days of the week (e.g., at least four, five, or six days a week) during a treatment period of at least two, four, eight, or twelve weeks.

[0078] The step of applying the composition can be carried out by topical application. With respect to the application of the composition, the terms "topical," "topical," or "topically" mean that the composition is delivered to a target area (e.g., wrinkles or fine lines) while minimizing delivery to skin surfaces where treatment is not desired. The composition may be applied to an area of ​​skin and gently massaged in. The form of the composition or dermatologically acceptable carrier should be selected to facilitate topical application. While certain embodiments herein contemplate applying the composition topically to an area, it will be understood that the compositions herein may be applied broadly to one or more skin surfaces. In certain embodiments, the compositions herein may be used as part of a multi-step cosmetic regimen, in which case the composition of the present invention may be applied before and / or after one or more other compositions.

[0079] combination By weight, Approximately 0.01% to 5% mica, Approximately 0.1% to 10% lauroyl lysine, Approximately 55% to 99% water, A cosmetic composition comprising: The composition satisfies the following conditions (i) to (iii): (i) the weight ratio between mica and lauroyl lysine is about 2:1 to about 1:10; (ii) the mica has an average particle size of about 5 microns to about 20 microns, the lauroyl lysine has an average particle size of about 10 microns to about 40 microns, and the average particle size ratio between mica and lauroyl lysine is about 1:1 to about 1:5; and (iii) lauroyl lysine has a flat polygonal shape; A cosmetic composition that satisfies at least one of the above requirements. A composition of the foregoing character, wherein the weight ratio between mica and lauroyl lysine is from about 1:1 to about 1:7, preferably from about 1:1.2 to about 1:7, or preferably from about 1:1.5 to about 1:5. A composition of any of the preceding characteristics, wherein the ratio of average particle sizes between the mica and the lauroyl lysine is from about 1:1.2 to about 1:4, preferably from about 1:1.4 to about 1:4. The composition of any of the preceding aspects, wherein the composition comprises from about 0.05% to about 3% mica, preferably from about 0.1% to about 2% mica. The composition of any of the preceding aspects, wherein the composition comprises from about 0.3% to about 7% lauroyl lysine, preferably from about 0.5% to about 5% lauroyl lysine. The composition of any of the preceding aspects, further comprising cetyl alcohol, stearyl alcohol, and behenyl alcohol at a total level of up to about 0.5%, preferably up to about 0.3%, more preferably up to about 0.1%. A composition of any of the preceding characteristics, wherein the mica is layered with a film of TiO2. Use of a composition of any of the preceding characteristics to reduce the feeling of friction or resistance. Use of a composition of any of the preceding characteristics to provide an environmental benefit in reducing the use of microplastic solid particles. [Example]

[0080] [Table 1]

[0081] [Table 2]

[0082] Heavy coating and higher friction / resistance The feeling of heavy coating and higher friction / resistance is evaluated by the following method: Sensory Expert Evaluation Method (DAP Sensory Measurement) Blinded, single-item, single-use evaluations are conducted by a panel of 12 trained experts using standardized procedures under controlled environmental conditions (20-25°C / 45-50% RH). Evaluations are performed on one cheek. 0.1 ml of sample is applied to a cleansed cheek. Using the pads of the index and middle fingers of the dominant hand, the sample is applied to the center of the cheek in 15 rotations (approximately 2 inches in diameter). The sample's tactile feel is evaluated using an absolute standard score of 0 to 8. The sample's tactile coat (perception of the amount of residue on the skin) and swipe drag (perception of resistance to transfer) are evaluated 10 and 15 minutes after sample application, respectively. A higher tactile coat number indicates a more persistent feel of the sample on the skin surface, which is associated with a thicker coating feel. A higher swipe drag number indicates a more resistant sample to spreading across the skin, which is associated with a higher friction / resistance feel.

[0083] Each panelist records their data on a hard copy pre-coded ballot. Each test site is cleaned and allowed to equilibrate between test samples.

[0084] The results for some of the above compositions are shown in the table below.

[0085] [Table 3]

[0086] CEx.i is a comparative example of the present invention that does not contain lauroyl lysine. Ex.1 and Ex.2 are examples of the present invention that are suitable for use as oil-in-water emulsion cosmetic compositions in the form of essence, lotion, serum, and / or gel cream. The examples of the present invention provide a reduced heavy coating feeling and a reduced frictional feeling / resistance feeling compared to the comparative examples.

[0087] Dimensions and values ​​disclosed herein should not be understood as being strictly limited to the exact numerical values ​​recited. Instead, unless otherwise indicated, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm."

[0088] All documents cited herein, including any cross-referenced or related patents or patent applications, and any patent applications or patents to which this application claims priority or benefit, are incorporated herein by reference in their entirety, unless expressly stated to the contrary. The citation of any document shall not be deemed to be prior art to any invention disclosed or claimed herein, or to teach, suggest, or disclose such invention, either alone or in combination with any other reference(s). Furthermore, to the extent that any meaning or definition of a term in this document 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 document shall govern.

[0089] While particular embodiments of the present invention have been illustrated and described, it would be obvious 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. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.

Claims

1. By weight, 0.1% to 5% mica, 0.5% to 10% lauroyl lysine; 55% to 99% water, A cosmetic composition comprising: The weight ratio between the mica and lauroyl lysine is 1:1.5 to 1:10; The mica has an average particle size of 5 microns to 20 microns, the lauroyl lysine has an average particle size of 10 microns to 40 microns, and the ratio of average particle sizes between the mica and lauroyl lysine is 1:1.2 to 1:5; and the cosmetic composition is in the form of an oil-in-water emulsion, the dispersed oil phase being present at a level of from 1 to 8% by weight of the composition; Cosmetic composition.

2. 2. The composition of claim 1, wherein the weight ratio between the mica and lauroyl lysine is 1:1 to 1:

7.

3. The composition described in claim 2, wherein the weight ratio between the mica and lauroyl lysine is 1:1.2 to 1:

7.

4. The composition described in claim 3, wherein the weight ratio between the mica and lauroyl lysine is 1:1.5 to 1:

5.

5. 2. The composition of claim 1, wherein the ratio of average particle size between the mica and lauroyl lysine is 1:1.2 to 1:

4.

6. The composition described in claim 5, wherein the ratio of average particle sizes between the mica and lauroyl lysine is 1:1.4 to 1:

4.

7. The composition of claim 1, wherein the composition comprises 0.05% to 3% mica.

8. The composition of claim 7, wherein the composition contains 0.1% to 2% mica.

9. 10. The composition of claim 1, wherein the composition comprises 0.3% to 7% lauroyl lysine.

10. The composition of claim 9, wherein the composition contains 0.5% to 5% lauroyl lysine.

11. 10. The composition of claim 1, further comprising cetyl alcohol, stearyl alcohol and behenyl alcohol at a total level of up to 0.5%.

12. The composition of claim 11, comprising cetyl alcohol, stearyl alcohol and behenyl alcohol at a total level of up to 0.3%.

13. The composition of claim 12, comprising cetyl alcohol, stearyl alcohol and behenyl alcohol at a total level of up to 0.1%.

14. The mica is TiO 2 10. The composition of claim 1, wherein the composition is layered with a film of

15. Use of a composition according to any one of claims 1 to 14 for reducing the feeling of friction or resistance.

16. Use of a composition according to any one of claims 1 to 14 to provide an environmental benefit by reducing the use of microplastic solid particles.

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