Abstract: New nicotinic acid glycerol ester compound(s) (NAEs); topical personal care compositions containing NAEs; and methods for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described. Use of one or more of the nicotinic acid glycerol ester compounds for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described. Use of a skin benefit agent comprising certain nicotinic acid glycerol ester compounds in the manufacture of a topical personal care composition for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: A process of making N,N?-diacetyl-L-Cystine disodium salt, the process comprising: (i) Mixing hydroxy alkane (between 0.5-100 L, preferably between 0.5-10 L, more preferably between 1-3 L, most preferably 1 L per mol of cystine) with a sodium base (4.0 molar equivalents per mole of cystine) to form a cold solution at a temperature of from 5 to 10° C.; (ii) Adding cystine (1 molar equivalent) to said cold solution and stirring, for a sufficient time, to form a basic cystine solution; (iii) Optionally, Cooling the cystine solution to 5° C.; (iv) Adding acetyl chloride (2 molar equivalents per mole of cystine) portionwise, while maintaining the temperature between 3 and 50° C., preferably between 5 and 35° C., more preferably below 10° C., most preferably 5° C., thereby resulting in a white suspension; (v) Stirring said white suspension and allowing said suspension to warm up to a room temperature of 15° C. to 50° C., preferably 20° C. to 35° C., more preferably 20° C.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: An effective process of making N,N?-diacetyl-L-Cystine (“NDAC”), which process is fast, green, does not require labor-intensive isolation or purification of the product, by yielding products in desired ratio, and has improved yield and purity. The process comprising the steps of Forming a reaction mixture, starting with a cystine derivative di-tert- butyl-L-cystine as the dihydrochloride form; Acetylating said di-tert-butyl-L-cystine to obtain N,N?-diacetyl-di-tert- butyl-L-cystine; followed by Removing said tert- butyl groups from said N,N?-diacetyl-di-tert-butyl- L-cystine to obtain N,N?-diacetyl-L-cystine product; and Isolating said N,N?-diacetyl-L-Cystine product from said reaction mixture; wherein said acetylating agent is acetic anhydride.

Abstract: Topical cosmetic compositions containing a 4-substituted resorcinol derivative along with N,N?-diacetyl-L-Cystine exhibit improved storage stability and oxidative stability. A method of stabilizing 4-ethyl resorcinol or 4-hexyl resorcinol in a composition comprising a cosmetically acceptable vehicle by adding to the composition N,N?-diacetyl-L-Cystine in an amount sufficient to stabilize said 4-ethyl resorcinol or 4-hexyl resorcinol.

Abstract: Topical personal care compositions containing NDAC and optionally cystine as actives, whereby the solubility of cystine is enhanced. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: Topical personal care compositions for improving cellular energy efficiency by protecting skin from mitochondrial fragmentation that takes place in an aging individual in need thereof. Use of a topical personal care composition comprising niacinamide and S-adenosyl-L-methionine. Use of niacinamide and S-adenosyl-L-methionine in the manufacture of a topical personal care composition for decreasing or preventing mitochondrial fragmentation in skin cells and for increasing skin cellular energy.

Abstract: Topical cosmetic compositions containing a 4-substituted resorcinol derivative along with N-acetyl methionine exhibit improved storage stability and oxidative stability. A method of stabilizing 4-ethyl resorcinol or 4-hexyl resorcinol in a composition comprising a cosmetically acceptable vehicle by adding to the composition Acetyl Methionine in an amount sufficient to stabilize said 4-ethyl resorcinol or 4-hexyl resorcinol. Use of the N-Acetyl Methionine and stabilized 4-substituted resorcinol derivatives in the manufacture of a topical cosmetic composition.

Abstract: Topical personal care compositions for improving cellular energy efficiency by protecting skin from mitochondrial fragmentation that takes place in the cells of an aging individual in need thereof. Use of a topical personal care composition comprising niacinamide and of one or more cooperative skin benefit agents for reducing cellular mitochondrial fragmentation, which cooperative agents are selected from the group consisting of 1-methylnicotinamide chloride, N-acetylmethionine, mixtures thereof, and derivatives thereof. Use of niacinamide and cooperative skin benefit agent selected from 1-methylnicotinamide chloride, N-acetylmethionine, mixtures thereof, and derivatives thereof in the manufacture of a topical personal care composition for decreasing or preventing mitochondrial fragmentation in skin cells and for increasing skin cellular energy.

Abstract: Novel compounds are disclosed. Skin lightening composition comprising said compounds and method of skin lightening is disclosed too. In addition, method of synthesizing said novel compounds are disclosed.

Abstract: A novel compound is disclosed. Skin lightening composition comprising said compound and method of skin lightening is disclosed too. In addition, method of synthesizing said novel compound is disclosed.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: Colorant Compositions free of cochineal red are described. The colorant compositions mimic the color of cochineal red and they are stable in the pressure of active materials typically found in cosmetic compositions.

Abstract: New nicotinic acid glycerol ester compound(s) (NAEs); topical personal care compositions containing NAEs; and methods for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described. Use of one or more of the nicotinic acid glycerol ester compounds for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described. Use of a skin benefit agent comprising certain nicotinic acid glycerol ester compounds in the manufacture of a topical personal care composition for modulating or activating cellular AMPK levels; and for increasing skin cellular bioenergetics are described.

Abstract: Skin lightening additives and personal care compositions containing amino acids and nicotinamide compounds. The compositions are useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: Skin lightening additives and personal care compositions containing amino acids and nicotinamide compounds. The compositions are useful for attaining even skin color and reducing pigmentation, age spots and discoloration.

Abstract: Topical personal care compositions containing amino acids and 4-substituted resorcinols for potentiating glutathione synthesis within skin cells. The compositions can be used to improve skin appearance of chronological aging or photoaging, resulting from exposure to UV light/sunlight, or environmental pollutants. The compositions are also useful for attaining even skin color and reducing pigmentation, age spots and discoloration.