Compositions to improve nail health

Abstract

Compositions for Improving Nail Health: Techniques for improving a user's nail health may be offered. The process may include providing a composition that includes an oil phase. The oil phase may include a vasodilator. The vasodilator may be present at a concentration (CV) of, for example, 0 < CV ≤ 5% by weight of the composition. The vasodilator may be a single vasodilator (such as vanillyl butyl ether). The vasodilator may include a plurality of vasodilators. The oil phase may include a non-volatile oil. The non-volatile oil may include one or more vegetable oils, which may be seed oils. The non-volatile oil may be present at a concentration (CNVO) of CNVO ≥ 90% by weight of the composition. The oil phase may include a preservative and an antioxidant. The composition may be in the form of a liquid oil, a thickened oil, or a paste.Figure for the abridged version: none.

Description

Title of the invention: Compositions for improving nail health technical field

[0001] This disclosure relates to cosmetic compositions for improving nail health. CONTEXT

[0002] It is desirable to have healthy nails and healthy skin around the nails. Healthy nails have a healthy color, a relatively smooth surface with a slight curve, they do not break easily, they have a healthy cuticle and are surrounded by healthy skin.

[0003] The use of conventional nail cosmetics and nail polish removers can be a factor in diminishing nail health; for example, if the nail polish remover uses an aggressive chemical, repeated exposure of the nail to an aggressive chemical can damage the nail, for example making it more brittle.

[0004] Techniques to improve nail health are therefore desirable. BRIEF SUMMARY

[0005] In various aspects, a method for improving the health of a user's nails may be proposed. The method may include providing a composition comprising an oil phase. The oil phase may include a vasodilator. The vasodilator may be present at a concentration (Cv) of, for example, 0 < Cv < 5% by weight of the composition. The vasodilator may be a single vasodilator (such as vanillyl butyl ether). The vasodilator may include a plurality of vasodilators. The oil phase may include a non-volatile oil. The non-volatile oil may include one or more vegetable oils, which may be seed oils. The non-volatile oil may be present at a concentration (CNVo) of CNVo > 90% by weight of the composition. The oil phase may include a preservative and an antioxidant. The composition may be in the form of a liquid oil, a thickened oil, or a paste.

[0006] The composition may be substantially free of C2-C5 acetates, ketones of fewer than 6 carbons, and C2-C5 monoalcohols. The composition may be free of film-forming agents. The composition may be substantially free of nitrocellulose. The composition may be free of dyes. The composition may be free of perfumes. The composition may be anhydrous.

[0007] The method may include applying the composition to the cuticle and / or the skin at the base of a nail. The method may include leaving the composition on the cuticle and / or the skin at the base of the nail for at least a predetermined period of time. The method may include repeatedly applying the composition to the cuticle and / or the skin at the base of the nail at least once a day for a period of at least one week. The composition may be applied to the cuticle and / or the skin at the base of the nail using a brush. The composition may be applied without a brush to the cuticle and / or the skin at the base of the nail.

[0008] In various aspects, a composition for improving the health of a user's nails may be proposed. The composition may include an oil phase. The oil phase may include a vasodilator. The vasodilator may be present at a concentration (Cv) of, for example, 0 < Cv < 5% by weight of the composition. The vasodilator may be a single vasodilator (such as vanillyl butyl ether). The vasodilator may include a plurality of vasodilators. The oil phase may include a non-volatile oil. The non-volatile oil may include one or more vegetable oils, which may be seed oils. The non-volatile oil may be present at a concentration (CNVo) of CNVo > 90% by weight of the composition. The oil phase may include a preservative and an antioxidant. The composition may be in the form of a liquid oil, a thickened oil, or a paste.

[0009] The composition may be substantially free of C2-C5 acetates, ketones of fewer than 6 carbons, and C2-C5 monoalcohols. The composition may be free of film-forming agents. The composition may be substantially free of nitrocellulose. The composition may be free of dyes. The composition may be free of perfumes. The composition may be anhydrous. DETAILED DESCRIPTION

[0010] As used herein, the term "approximately" (a target value) may refer to values ​​that are within ±10%, ±8%, ±6%, ±5%, ±4%, ±3%, ±2%, ±1% or ±0.5% of that target value.

[0011] As used herein, the expression "substantially free (of a component)" indicates that the compositions do not contain an appreciable amount of the component, for example, not more than about 1% by weight, or not more than about 0.5% by weight, or not more than about 0.3% by weight, such as not more than about 0.1% by weight, relative to the weight of the system or composition comprising the oxidizing system and / or composition according to embodiments of the disclosure.

[0012] As used herein, the term “free” or the expression “totally free (of a component)” indicates that the systems or compositions do not do not contain the component to any degree measurable by standard means.

[0013] The disclosed compositions and techniques can be used to improve nail health. Improving nail health may include, for example, improving one or more characteristics related to nail health. This may include, for example, hydrating the skin around the nail, reducing nail breakage, reducing nail brittleness, revitalizing the cuticles, providing a protective barrier around the nail plate, and / or providing support for damaged nails.

[0014] In various aspects, a method for improving the health of a user's nails may be proposed. The method may include providing a composition to improve the health of a user's nails.

[0015] The composition may include an oily phase. As used herein, the term "include," "includes," or "comprising" (one or more materials) means either comprising or consisting of such one or more materials. For example, for a composition "including" an oily phase, the composition may consist of the oily phase, or it may comprise an oily phase.

[0016] In a preferred embodiment, the composition may be anhydrous (for example, free of water). In some embodiments, the composition may be substantially free of water. In some embodiments, the composition may include an aqueous phase. In some embodiments, the aqueous phase may be less than 10% by weight of the composition.

[0017] The composition may be in the form of a paste. As used here, the term "paste" refers to a composition having a consistency intermediate between a solid and a liquid, for example, but not limited to, having a viscosity greater than 5 poises, such as greater than 10 poises at 25 °C, and a shear rate of 1 s. This viscosity can be measured using a rheometer or a conical plate viscometer.

[0018] The composition may be in the form of a thickened oil. As used herein, the term "oil" refers to a non-aqueous compound, immiscible with water, liquid at 25 °C and atmospheric pressure (760 mmHg; 1.013 x 10⁵ Pa). As used herein, the expression "thickened oil" refers to an oil in combination with a thickening or viscosity-modifying agent, where the viscosity of the thickened oil is greater than the viscosity of the combination of the base oil or oils. For example, the viscosity of a mixture of oil A + oil B + thickener C must be greater than the viscosity of a mixture of oil A + oil B. The thickened oil may not be able to flow under its own weight at 20 °C. In certain modes In realization, the thickened oil can have a viscosity of at least 50 Pa-s as measured at a temperature of 25 °C and a shear rate of 1 s *.

[0019] The composition may be in the form of a liquid oil. As used here, the term "liquid oil" refers to an oil that is liquid at room temperature (e.g., 22°C to 28°C), preferably also liquid at a temperature below room temperature such as below 15°C, 10°C, or 5°C. Preferably, the liquid oil can flow under its own weight at 20°C. In some embodiments, the oil may have a viscosity of less than 50 Pa·s as measured at a temperature of 25°C and a shear rate of ls*. Vasodilator

[0020] The oil phase may include a vasodilator. The vasodilator may be any cosmetically acceptable vasodilator that is soluble in oil or miscible with oil. Non-limiting examples of such vasodilators include, for example, caffeine, cinnamon, menthol, capsaicin, vanillyl butyl ether, ginger oleoresin, L-arginine, niacin, methyl nicotinate, ethyl nicotinate, hexyl nicotinate, etc.

[0021] The vasodilator may consist of a single vasodilator. The vasodilator may include a plurality of vasodilators.

[0022] The vasodilator may be present at a total concentration (Cv) of less than approximately 5% by weight of the composition. The vasodilator may be present at a total concentration 0 < Cv < 5% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv > 0.001% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv > 0.01% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv > 0.1% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 4.5% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 4% by weight of the composition.In some embodiments, the vasodilator may be present at a total concentration Cv < 3.5% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 3% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 2.5% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 2.25% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 2% by weight of the composition. In some embodiments of... In some embodiments, the vasodilator may be present at a total concentration Cv < 1.75% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 1.5% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 1.25% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 1.00% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 1.00% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 0.75% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 0.5% by weight of the composition.In some embodiments, the vasodilator may be present at a total concentration Cv < 0.45% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 0.4% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 0.35% by weight of the composition. In some embodiments, the vasodilator may be present at a total concentration Cv < 0.3% by weight of the composition. In a preferred embodiment, the vasodilator may be present at a total concentration 0 < Cv < 3% by weight of the composition. In a further preferred embodiment, the vasodilator may be present at a total concentration 0 < Cv < 2.25% by weight of the composition.In a more preferred embodiment, the vasodilator may be present at a total concentration of 0 < Cv < 1.5% by weight of the composition.

[0023] In certain embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of at least approximately 0.05% by weight of the composition. In certain embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of at least approximately 0.1% by weight of the composition. In certain embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of at least approximately 0.15% by weight of the composition. In certain embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of not more than approximately 1% by weight of the composition. In certain embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of not more than approximately 0.75% by weight of the composition.In some embodiments with multiple vasodilators, each vasodilator may be present in a total amount of no more than about 0.5% by weight of the composition. In some embodiments of... In embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of no more than approximately 0.4% by weight of the composition. In some embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of no more than approximately 0.3% by weight of the composition. In some embodiments with multiple vasodilators, each vasodilator may be present in a total quantity of no more than approximately 0.2% by weight of the composition.

[0024] In some embodiments, when several vasodilators are used, each vasodilator can be an agonist against a different receptor. For example, capsaicin and vanillyl butyl ether are agonists of the vanilloid receptor (e.g., transient potential vanilloid receptor 1 (TRPV1)), while ethyl nicotinate is used as an agonist of nicotine receptors (e.g., nicotinic acetylcholine receptors (nAChRs)). Non-volatile oil

[0025] The oily phase may include a non-volatile oil. As used here, the term "non-volatile" refers to a material (such as an oil) for which the vapor pressure at 25 °C and atmospheric pressure are not zero and are less than 0.02 mmHg (2.66 Pa) and even better less than 10³ mmHg (0.13 Pa).

[0026] The non-volatile oil may include one or more vegetable oils. As used here, the term "vegetable oil" refers to an oil extracted from a species belonging to the plant kingdom. The vegetable oil may be a seed oil. As used here, the term "seed oil" refers to oils that are extracted from the seeds of the species from which the vegetable oil is extracted.

[0027] Non-limiting examples of seed oils include, for example, sunflower oil, cottonseed oil, safflower oil, sesame seed oil, canola oil, grapeseed oil, linseed oil, soybean oil, camellia seed oil, meadowfoam seed oil, Buxus chinensis (jojoba) seed oil and Prunus armeniaca (apricot) kernel oil.

[0028] The non-volatile oil may be a single non-volatile oil. The non-volatile oil may be a plurality of non-volatile oils. In one embodiment, the non-volatile oil includes Buxus chinensis (jojoba) seed oil and Prunus armeniaca (apricot) kernel oil.

[0029] The non-volatile oil may be present at a total concentration (CNVo) of at least approximately 85% by weight of the composition. In some embodiments, the non-volatile oil may be present at a total concentration (CNVo) > 87.5% by weight of the composition. In some embodiments, the non-volatile oil may be present at a total CNVo concentration > 90% by weight of the composition. In some embodiments, the non-volatile oil may be present at a total CNVo concentration > 92.5% by weight of the composition. In some embodiments, the non-volatile oil may be present at a total CNVo concentration > 95% by weight of the composition. In some embodiments, the non-volatile oil may be present at a total CNVo concentration > 97.5% by weight of the composition.

[0030] In certain embodiments, when multiple non-volatile oils are present, each non-volatile oil may be present at a concentration of at least approximately 2.5% by weight of the composition. In certain embodiments, when multiple non-volatile oils are present, each non-volatile oil may be present at a concentration of at least approximately 5% by weight of the composition. In certain embodiments, when multiple non-volatile oils are present, one of the non-volatile oils may be present at a concentration of at least approximately 85% by weight of the composition. In certain embodiments, when multiple non-volatile oils are present, one of the non-volatile oils may be present at a concentration of at least approximately 87.5% by weight of the composition.In some embodiments, when multiple non-volatile oils are present, one of the non-volatile oils may be present at a concentration of at least approximately 90% by weight of the composition. In some embodiments, when multiple non-volatile oils are present, one of the non-volatile oils may be present at a concentration of at least approximately 92.5% by weight of the composition.

[0031] The non-volatile oil may be substantially free of, or free from, silicone oil. As used here, the term "silicone oil" refers to an oil containing at least one silicon atom and in particular containing Si-O groups. Preservative

[0032] The oil phase may include a preservative. The preservative may be a single preservative. The preservative may be a plurality of preservatives. The preservatives may be oil-soluble or oil-miscible.

[0033] The preservative may include one or more alcohols. The one or more alcohols may include one or more alcohols with a phenoxy group. The alcohol with a phenoxy group may be 2-phenoxyethane-l-ol (phenoxyethanol). The preservative may include a polyol. The polyol may be, for example, caprylyl glycol.

[0034] The preservative may be present at a total concentration (TC) of less than approximately 2% by weight of the composition. In some embodiments, the The preservative may be present at a total concentration (CP) < 1.75% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) < 1.5% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) < 1.25% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) < 1% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) > 0.001% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) > 0.01% by weight of the composition. In some embodiments, the preservative may be present at a total concentration (CP) > 0.1% by weight of the composition.In some embodiments, the preservative may be present at a total concentration CP > 0.5% by weight of the composition.

[0035] In certain embodiments, when more than one preservative is present, each preservative may be present at a concentration of at least approximately 0.1% by weight of the composition. In certain embodiments, when more than one preservative is present, each preservative may be present at a concentration of at least approximately 0.25% by weight of the composition. In certain embodiments, when more than one preservative is present, each preservative may be present at a concentration of at least approximately 0.5% by weight of the composition. Antioxidant

[0036] The oil phase may include an antioxidant. The antioxidant may be a single antioxidant. The antioxidant may be a plurality of antioxidants. The antioxidants may be oil-soluble or oil-miscible.

[0037] Non-limiting examples of antioxidants include ascorbic acid, sodium sulfite, sodium metabisulfite, sodium hydrosulfite, tocopherols, alpha-tocopherol, tocopheryl acetate, panthenol, selenium sulfide, zinc formosulfoxylate, erythorbic acid, isoascorbic acid, thioglycolate salt, magnesium ascorbyl phosphate, ascorbyl glucoside, cysteine, thiourea, thiolactic acid, glyceryl monothioglycerol, thioglycerol, 2,5-dihydroxybenzoic acid, and mixtures thereof. In some cases, the composition may include at least tocopheryl acetate, or at least ascorbic acid.

[0038] The antioxidant may be present at a total concentration (CA) of less than approximately 2% by weight of the composition. In some embodiments, the antioxidant may be present at a total concentration CA < 1.75% by weight of the composition. In some embodiments, the antioxidant may be present at a concentration The total concentration of antioxidant (CA) is less than 1.5% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of less than 1.25% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of less than 1% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of more than 0.001% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of more than 0.01% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of more than 0.1% by weight of the composition. In some embodiments, the antioxidant may be present at a total CA concentration of more than 0.5% by weight of the composition.

[0039] In certain embodiments, when more than one antioxidant is present, each antioxidant may be present at a concentration of at least approximately 0.1% by weight of the composition. In certain embodiments, when more than one antioxidant is present, each antioxidant may be present at a concentration of at least approximately 0.25% by weight of the composition. In certain embodiments, when more than one antioxidant is present, each antioxidant may be present at a concentration of at least approximately 0.5% by weight of the composition. Additional materials

[0040] The composition may include one or more additional materials. The one or more additional materials may be present in a total quantity of less than approximately 5% by weight of the composition. The one or more additional materials may be present in a total quantity of less than approximately 4% by weight of the composition. The one or more additional materials may be present in a total quantity of less than approximately 3% by weight of the composition. The one or more additional materials may be present in a total quantity of less than approximately 2% by weight of the composition. The composition may be substantially free of additional materials. The composition may be free of additional materials.

[0041] Dye

[0042] The additional materials may include a colorant. In some embodiments, the colorant may be present in a total quantity of at least approximately 0.001% by weight of the composition. In some embodiments, the colorant may be present in a total quantity of less than 5% by weight of the composition. In some embodiments, the colorant may be present in a total quantity of less than 4% by weight of the composition. In some embodiments, the colorant may be present in a total quantity of less than 3% by weight of the composition. In some embodiments, the colorant may be present in a total quantity of less than 2% by weight of the composition. In some embodiments, the composition may be substantially free of colorant. In some embodiments, the composition may be free of colorant. In some embodiments, the composition may include less than an effective amount of colorant. For example, if a red colorant is provided, the colorant is not used at a concentration sufficient to produce the desired red color. This amount may vary depending on the specific colorant.

[0043] The colorant may include one or more dyes selected from, for example, liposoluble dyes, powder dyes such as pigments, including mother-of-pearl, and glitter flakes, or alternatively, coloring polymers.

[0044] Among the fat-soluble dyes, examples include Sudan Red III (CTFA: D&C Red 17), lutein, quinizarin green (CTFA: D&C Green 6), alizurol violet SS (CTFA: D&C Violet 2), Sudan Brown, D&C Yellow 11, D&C Orange 5, quinoline yellow, curcumin, and carotenoid derivatives such as lycopene, beta-carotene, bixin, or capsanthin, and mixtures thereof. Dye polymers are generally copolymers based on at least two different monomers, at least one of which is a monomeric organic dye. Such polymeric dyes are known to those skilled in the art.

[0045] The term “pigments” should be understood to mean mineral or organic particles, white or colored, of any shape, which are insoluble in the cosmetic medium, and which are intended to color cosmetic ink. The term “mother-of-pearl” should be understood to mean iridescent particles of any shape, in particular those produced by certain shellfish in their shells or synthesized.

[0046] The pigments may be white, black, or colored, and mineral and / or organic. Examples of mineral pigments include titanium dioxide, optionally surface-treated, zirconium oxide or cerium oxide, as well as zinc oxide, iron oxide (black, yellow, or red) or chromium oxide, manganese violet, ultramarine blue, chromium hydrate, and ferric blue, and metallic powders, for example, aluminum powder and copper powder. Examples of organic pigments include carbon black, D&C-type pigments, and lakes based on cochineal carmine or barium, strontium, calcium, or aluminum.Pearlescent pigments can be chosen from white pearlescent pigments such as titanium-coated mica or bismuth oxychloride, colored pearlescent pigments such as titanium mica coated with iron oxides, titanium mica notably coated with ferric blue or chromium oxide, titanium mica coated with an organic pigment, and also pearlescent pigments based on bismuth oxychloride.

[0047] The dye may include one or more photochromic dyes, in particular pigments, i.e. dyes which have the property of changing color when irradiated with a light source of a certain frequency, and then returning to their initial color, or a similar color, when the irradiation stops.Among the photochromic dyes, we can mention in particular: complex mineral photochromic compounds and more particularly doped aluminosilicates, and metal oxides and metal oxide hydrates; and / or photochromic naphthopyran compounds, including 3H-naphtho[2,lb]pyrans or 2H-naphtho[l,2-b]pyrans, for example 3,3-bis(4-methoxyphenyl)-6-morpholino-3H-naphtho[2,lb]pyran, 3-phenyl-3-(4-morpholinophenyl)-6-morpholino-3H-naphtho[2,lb]pyran, 3-phenyl-3-(4-piperidinophenyl)-6-morpholino-3H-naphtho[2,lb]pyran, 3-phenyl-3-(4-piperidinophenyl)-6-morpholino-3H-naphtho[2,l-b]pyran, 3-phenyl-3-(4-piperidinophenyl)-6-carboxymethyl-9-N-dimethyl-3H-naphtho[2,lb]pyran or 2-phenyl-2-(4-piperidinophenyl)-5-carboxymethyl-9-N-dimethyl-2H-naphtho[ 1,2-b]pyran. .

[0048] Perfume

[0049] Additional materials may include a fragrance. In some embodiments, the fragrance may be present in a total quantity of at least approximately 0.001% by weight of the composition. In some embodiments, the fragrance may be present in a total quantity of less than 2% by weight of the composition. In some embodiments, the fragrance may be present in a total quantity of less than 1.5% by weight of the composition. In some embodiments, the composition may be substantially fragrance-free. In some embodiments, the composition may be fragrance-free.

[0050] Charge

[0051] The additional materials may include a filler. The filler may be organic or inorganic in nature. As used here, the term "filler" generally refers to colorless or white solid particles of any shape, which are in a form that is insoluble or dispersed in the medium of the composition. Whether inorganic or organic in nature, they impart body or rigidity to the composition, and / or smoothness and uniformity to the composition.

[0052] The charge may be a single charge. The charge may include a plurality of charges. In some embodiments, the charge may be present in a total quantity of at least approximately 0.001% by weight of the composition. In some embodiments, the charge may be present in a total quantity of less than 5% by weight of the composition. In some embodiments, the charge may be present in a total quantity of less than 4% by weight of the composition. In some embodiments, the charge may be present in a total quantity of less than 3% by weight. of the composition. In some embodiments, the filler may be present in a total quantity of less than 2% by weight of the composition. In some embodiments, the composition may be substantially filler-free. In some embodiments, the composition may be filler-free.

[0053] The charges can be in lamellar, globular or spherical form, or in the form of fibers or in any other intermediate form between these defined forms.

[0054] The fillers may be surface coated or not, and in particular they may be surface treated with silicones, amino acids, fluorinated derivatives or any other substance which promotes the dispersion and compatibility of the filler in the composition.

[0055] Among the fillers that can be used in the compositions according to this disclosure are talc, mica, kaolin, bentone, precipitated calcium carbonate, magnesium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, glass or ceramic microcapsules, silica and titanium dioxide composites, such as the TSG range sold by Nippon Sheet Glass, polyamide powders (NYLON® Orgasol from Atochem), poly-[3-alanine] powders and polyethylene powders, polytetrafluoroethylene (TEFLON®) powders, lauroyllysine, starch, hollow polymer microspheres such as Expacel (Nobel Industrie), metallic soaps derived from organic carboxylic acids having 8 to 22 carbon atoms, such as 12 to 18 carbon atoms, for example stearate of zinc, magnesium stearate or lithium stearate, zinc laurate, magnesium myristate,POLYPORE® L 200 (Chemdal Corporation), silicone resin microbeads (e.g., Tospearl® from Toshiba), polyurethane powders, in particular cross-linked polyurethane powders comprising a copolymer, said copolymer comprising trimethylol hexyllactone. In some embodiments, this may be a hexamethylene diisocyanate / trimethylol hexyllactone polymer. Such particles are commercially available, for example, under the names PLASTIC POWDER D-400® or PLASTIC POWDER D-800® from Toshiba, and mixtures thereof.

[0056] Wax

[0057] The additional material may include a wax. The wax may be a single wax. The wax may be a plurality of waxes. In some embodiments, the composition may include one or more soft waxes. In some embodiments, the composition may include one or more hard waxes. In some embodiments, the composition may include a soft wax and a hard wax. As used herein, the term "wax" refers to a lipophilic compound that is solid at room temperature (25 °C), with a reversible solid / liquid phase change, having a melting point melting point of 30°C or higher, which can extend up to 200°C and in particular up to 120°C. As used here, the term "soft wax" refers to waxes with a melting point below approximately 70°C, and preferably below approximately 60°C. As used here, the term "hard wax" refers to waxes other than soft waxes, that is, waxes with a melting point of approximately 70°C or higher, and preferably 60°C or higher.

[0058] In some embodiments, the wax may be present in a total quantity of at least approximately 0.001% by weight of the composition. In some embodiments, the wax may be present in a total quantity of less than 5% by weight of the composition. In some embodiments, the wax may be present in a total quantity of less than 4% by weight of the composition. In some embodiments, the wax may be present in a total quantity of less than 3% by weight of the composition. In some embodiments, the wax may be present in a total quantity of less than 2% by weight of the composition. In some embodiments, the composition may be substantially free of wax. In some embodiments, the composition may be free of wax.

[0059] Non-limiting examples of soft waxes include paraffin wax, ozokerite, synthetic beeswax, beeswax, candelilla wax, hydrogenated jojoba wax, palm butter, sumac wax, polyglyceryl beeswax, siliconyl beeswax, ceresin wax, orange peel wax, silicone resin wax, alkyl dimethicone wax, berry wax, Koster wax, siliconyl candelilla wax and montan wax.

[0060] Non-limiting examples of hard waxes include carnauba wax, microcrystalline wax, polyethylene wax, hydrogenated castor oil, AC 540 wax, hydrogenated castor wax, AC 400 wax, rice bran wax, alcohol-polyethylene wax, sunflower seed wax, Fischer-Tropsch wax, Chinese insect wax and shellac wax.

[0061] Oil-based gelling agent

[0062] The additional material may include an oil-based gelling (or thickening) agent. The oil-based gelling agent (for example, a lipophilic thickener) may enhance the stability of the composition even if the oil in the composition is less polar or nonpolar. The oil-based gelling agent may be a single oil-based gelling agent. The oil-based gelling agent may be a plurality of oil-based gelling agents.

[0063] In some embodiments, the oil-based gelling agent may be present in a total quantity of at least approximately 0.001% by weight of the composition. In some embodiments, the oil-based gelling agent may be present in a total quantity of less than 5% by weight of the composition. In some embodiments, The oil-based gelling agent may be present in a total quantity of less than 4% by weight of the composition. In some embodiments, the oil-based gelling agent may be present in a total quantity of less than 3% by weight of the composition. In some embodiments, the oil-based gelling agent may be present in a total quantity of less than 2% by weight of the composition. In some embodiments, the composition may be substantially free of oil-based gelling agent. In some embodiments, the composition may be free of oil-based gelling agent.

[0064] The oil-based gelling agent (for example, a lipophilic thickener) can enhance the stability of the composition even if the oil in the composition is less polar or non-polar.

[0065] The oil-based gelling agent may be selected from among gelling agents derived from glutamic acid, gelling agents in polymeric form, and gelling agents in mineral form. The gelling agent includes agents that gel by chemical crosslinking and agents that gel by physical crosslinking.

[0066] N-acylglutamic acid derivatives can be used as glutamic acid-derived gelling agents. N-acylglutamic acid derivatives include N-acylglutamic acid amides and N-acylglutamic acid esters. In one embodiment, N-acylglutamic acid amides in which the acyl group represents an alkyl chain at positions C8 to C22 are preferred.

[0067] Examples of N-acylglutamic acid derivatives that may be cited include N-lauroylglutamic acid diethyl amide, N-lauroylglutamic acid dibutyl amide, N-lauroylglutamic acid dihexyl amide, N-lauroylglutamic acid dioctyl amide, N-lauroylglutamic acid didecyl amide, N-lauroylglutamic acid dididecyl amide, N-lauroylglutamic acid ditetradecyl amide, N-lauroylglutamic acid dihexadecyl amide, N-lauroylglutamic acid distearyl amide, N-ethylhexanoyl-L-glutamic acid dibutyl amide, N-stearoylglutamic acid dibutyl amide, N-stearoylglutamic acid dihexyl amide, N-stearoylglutamic acid diheptyl amide, N-stearoylglutamic acid dioctyl amide, N-stearoylglutamic acid didecyl amide, N-stearoylglutamic acid didodecyl amide, N-stearoylglutamic acid ditetradecyl amide, N-stearoylglutamic acid dihexadecyl amide,N-stearoylglutamic acid distearyl amide and mixtures thereof, and more preferably N-lauroylglutamic acid dibutyl amide, N-stearoylglutamic acid dihexyl amide, and mixtures thereof.

[0068] The gelling agent may be N-acyl glutamic acid dialkylamide, or N-lauroyl-L-glutamic acid dibutylamide (INCI: dibutyl lauroyl glutamide), manufactured or sold by Ajinomoto under the name GP-1 and N-acyl glutamic acid dibutylamide ethylhexanoyl-L-glutamic (INCI: dibutyl ethylhexanoyl glutamide), manufactured or sold by Ajinomoto under the name EB-21.

[0069] Lipophilic polyamide polymers can be used as gelling agents in polymeric form. Examples of lipophilic polyamide polymers include branched polyamides with dangling fatty chains and / or terminal fatty chains containing 12 to 120 carbon atoms, and in particular 12 to 68 carbon atoms, the terminal fatty chains being linked to the polyamide backbone via ester groups. Examples include polymers with the INCI names "ethylenediamine / stearyl dimer dilinoleate copolymer" and "ethylenediamine / stearyl dimer tallate copolymer".

[0070] Modified clays can be used as gelling agents, examples of which include hectorites modified with an ammonium chloride of a C22-Cl fatty acid, such as bentonite modified with distearyldimethylammonium chloride, also known as quatemium-18 bentonite, such as the products sold or manufactured under the names BENTONE® 34 organoclay and BENTONE® 38 VCG organoclay by Elementis, the rheology additive CLAYTONE® XL, the rheology additive CLAYTONE® 34 and the rheology additive CLAYTONE® 40 sold or manufactured by BYK, the modified clays known as quatemium-18 benzalkonium bentonites and sold or manufactured under the names CLAYTONE® HT rheology additive, CLAYTONE® GR rheology additive and CLAYTONE® PS rheology additive by BYK, clays modified with stearyldimethylbenzoylammonium chloride, known as stearalkonium bentonites,such as products sold or manufactured under the names CLAYTONE® APA rheology additive and CLAYTONE® AF rheology additive by BYK, and BARAGEL® 24 rheology additive sold or manufactured by Elementis. In some embodiments, the composition may be substantially free of modified clays.

[0071] The gelling agent may include, for example, triesters of a C8-C30 fatty acid. The triesters may be one or more triesters of a fatty acid and mono- or polyglycerol. In some embodiments, the triesters are triesters of fatty acid and monoglycerol. As used herein, the term "fatty acid" refers to a linear or branched, saturated or unsaturated acid comprising 8 to 30 carbon atoms, preferably 10 to 24 carbon atoms, even more preferably 12 to 22, and preferably 16 to 20 carbon atoms, optionally substituted by one or more hydroxyl groups. According to a particular embodiment of the invention, the fatty acid or fatty acids are linear and saturated, substituted by at least one hydroxyl group. Fatty acids can be chosen from the acid oleic acid, lauric acid, palmitic acid, myristic acid, stearic acid, linoleic acid, capric acid, and behenic acid, optionally substituted with at least one hydroxyl group, or mixtures thereof. Preferably, the fatty acid(s) is / are selected from stearic acid, stearic acids substituted with at least one hydroxyl group, and mixtures thereof, and is / are more preferably selected from stearic acid, 12-hydroxystearic acid, and mixtures thereof, and even more preferably, it is 12-hydroxystearic acid. According to a particular embodiment of the invention, the triester of a C8-C30 fatty acid and mono- or polyglyceryl is glyceryl tris(12-hydroxystearate).Examples of triesters of C8-C30 fatty acids and mono- or polyglycerol include glyceryl tri(hydroxystearate) (INCI name: Trihydroxystearin), for example the product sold as a non-animal origin rheological additive THIXCEN® R by the company Elementis.

[0072] In some embodiments, the composition may include the vasodilator, the non-volatile oil, the preservative, and the antioxidant. In some embodiments, the composition may include the vasodilator, the non-volatile oil, the preservative, the antioxidant, optionally a colorant, optionally a fragrance, optionally a filler, optionally a wax, optionally an oil-based gelling agent, and may be substantially free of any other material. In some embodiments, the composition may include the vasodilator, the non-volatile oil, the preservative, the antioxidant, optionally a colorant, optionally a fragrance, optionally a filler, optionally a wax, optionally an oil-based gelling agent, and may be free of any other material.

[0073] In preferred embodiments, the composition may not be configured as a nail polish composition or nail polish remover. Thus, the composition may be substantially free of, or free from, one or more substances found in conventional nail polish compositions or nail polish removers.

[0074] The composition may be substantially free of acetates. In particular, the composition may be substantially free of C2-C5 acetates. Such acetates include, for example, ethyl acetate, butyl acetate, etc.

[0075] The composition may be substantially free of ketones. The composition may be substantially free of ketones that are liquid at room temperature, such as methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, isophorone, cyclohexanone, or acetone. The composition may be substantially free of ketones that are liquid at room temperature. In particular, the composition may be substantially free of ketones with a concentration of less than 6 carbons. The composition may be free of fewer than 6 carbons. Such ketones include, for example, acetone.

[0076] The composition may be substantially free of volatile alcohols. In particular, the composition may be substantially free of C2-C5 monoalcohols. Such monoalcohols may include, for example, ethanol, isopropyl alcohol, isobutyl alcohol, etc.

[0077] The composition may be substantially free of film-forming agent. As used here, the term "film-forming agent" generally refers to a polymer or resin that leaves a film on the substrate to which it is applied, for example, after a solvent accompanying the film-forming agent has evaporated, been absorbed into the substrate, and / or dissipated onto it. The composition may be free of film-forming agent.

[0078] The composition may be substantially free of latex film-forming agents. The composition may be free of latex film-forming agents.

[0079] The composition may be substantially free of a cellulose-derived film-forming agent. Such cellulose-derived film-forming agents may include, for example, cellulose or chemically modified cellulose such as that obtained by substituting some or all of the hydroxyl groups in cellulose with other groups, such as cellulose, nitrocellulose, cellulose acetate, cellulose acetate phthalate, hydroxypropyl methylcellulose phthalate, etc. In one embodiment, the composition may be substantially free of nitrocellulose.

[0080] The method may include applying the composition to the cuticle and / or the skin at the base of a nail. The composition may be applied to the cuticle and / or the skin at the base of the nail in any suitable manner. For example, in some embodiments, the composition may be applied to the cuticle and / or the skin at the base of the nail using a brush. In some embodiments, the composition may be applied without a brush to the cuticle and / or the skin at the base of the nail.

[0081] The method may include leaving the composition on the cuticle and / or the skin at the base of the nail for at least a predetermined period of time. The predetermined time may be at least 1 minute. The predetermined time may be at least 5 minutes. The predetermined time may be at least 10 minutes. The predetermined time may be less than 8 hours. The predetermined time may be less than 4 hours. The predetermined time may be less than 2 hours. The predetermined time may be less than 1 hour.

[0082] The process may include the removal by washing of the cuticle composition and / or the skin at the base of the nail (for example, by gently using soap and water, or simply by rinsing with water).

[0083] The method may include the repeated application of the composition to the cuticle and / or the skin at the base of the nail at least once a day. The composition may be applied repeatedly for a period of two days or more. The composition may be applied repeatedly for a period of at least one week. The composition may be applied repeatedly for a period of at least two weeks. The composition may be applied repeatedly for a period of at least one month.

[0084] In certain embodiments, the disclosed compositions and techniques can be used to hydrate the skin around the nail. For example, the skin around the nail, before using the disclosed technique, may exhibit lower hydration characteristics compared to its post-use characteristics. As a specific example, the skin around the nail, before using the disclosed technique, may exhibit a higher transepidermal water loss (TEWL) compared to the skin after using the disclosed technique.

[0085] In some embodiments, the disclosed compositions and techniques may make the nails appear visually longer. In some embodiments, the disclosed compositions and techniques may reduce nail brittleness. Example 1

[0086] The following compositions were formed by combining and mixing the materials at room temperature until homogeneous.

[0087] [Tables 1] Material Ex. 1 (% w / w) Ex. 2 (% w / w) Ex. 3 (% w / w) Control 1 (% w / w) Vasodilators 0.30 0.30 0.30 - Vanillyl butyl ether 0.30 0.15 - - Ethyl nicotinate - 0.15 0.30 - Non-volatile oil 97.7 97.7 97.7 98.0 Jojoba seed oil 5.0 5.0 5.0 5.0 Apricot kernel oil 92.7 92.7 92.70 93.0 Preservative 1.0 1.0 1.0 1.0 Antioxidant 1.0 1.0 1.0 1.0

[0088] The formula examples (Examples 1 to 3) were tested by being applied (using a brush) as disclosed herein, and left on the skin for 60 minutes, with readings or measurements taken at defined times (e.g., after 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes, and 60 minutes). Formula examples 1 to 3 showed an improvement in at least one characteristic indicative of improved nail health compared to the control formula.

Claims

Demands

1. A method for improving the health of a user's nails, comprising: providing a composition including an oily phase, the oily phase including a vasodilator and a non-volatile oil; applying the composition to a cuticle and / or the skin at the base of a nail; allowing the composition to remain on the cuticle and / or the skin at the base of the nail for at least a predetermined period.

2. A method according to claim 1, further comprising repeated application of the composition to the cuticle and / or skin at the base of the nail at least once a day for a period of at least one week.

3. A method according to any one of the preceding claims, wherein the vasodilator is present at a concentration (Cv) of 0 < Cv < 5% by weight of the composition.

4. A method according to any one of the preceding claims, wherein the vasodilator is a single vasodilator or a plurality of vasodilators.

5. A process according to any one of the preceding claims, wherein the non-volatile oil consists of one or more vegetable oils.

6. A process according to any one of the preceding claims, wherein the non-volatile oil is present at a concentration (Cnvo) of Cnvo > 90% by weight of the composition.

7. A process according to any one of the preceding claims, wherein the composition is substantially free of C2-C5 acetates, substantially free of C2-C5 monoalcohols and substantially free of nitrocellulose.

8. A process according to any one of the preceding claims, wherein the composition is anhydrous.

9. A method according to any one of the preceding claims, wherein the composition is in the form of a liquid oil, a thickened oil or a paste.

10. Composition for improving the health of a user's nails, comprising: an oily phase, the oily phase including: a vasodilator; a conservative; an antioxidant; and a non-volatile oil.