Cosmetic compositions with hydroxy amine salts of malonic acid
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsJoseph Raymond Faryniarz, Anthony William Johnson, Michael Charles Cheney, Timothy Michael Anto
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Abstract
A new cosmetic ingredient, composition and method for cosmetically treating skin is provided which utilizes mono-hydroxy substituted amine salts of malonic acid. Particularly preferred are dimethylaminoethanol (DMAE) salts of malonic acid.
Claims9
A cosmetic composition comprising:
- (i) from about 0.0001 to about 30% by weight of a mono-hydroxy substituted amine salt of malonic acid;
- and mixtures thereof:
- (ii) from about 1 to about 99.9% by weight of a cosmetically acceptable carrier.
A cosmetic composition comprising:
- (i) from about 0.0001 to about 30% by weight of a mono-hydroxy substituted amine salt of malonic acid of general formula I, II and mixtures thereof:
- [HO2CCH2CO2]−[X]+ I +[X]2[O2CCH2CO2]−2 II
- wherein X is a protonated salt of a mono-hydroxy substituted amine, the amine in non-protonated form having general formula III:
- 2
- wherein R1and R2 are branched or unbranched C1-C30 radicals selected from the group consisting of alkyl, cycloalkyl, alkenyl, aryl, alkylaryl, alkoxyalkyl and combinations thereof;
- R3 is a branched or unbranched C1-C30 radical selected from the group consisting of alkylene, cycloalkylene, arylene and combinations thereof;
- and
- R1 with R2 can optionally form a ring and independently R1 with R3 can form a ring;
- and
- (ii) from 1 to 99.9% by weight of a cosmetically acceptable carrier.
A dimethylaminoethanol salt of malonic acid.
A method for controlling signs of aging including those selected from the group consisting of fine lines, wrinkles, sagging skin, poor tone and age spots, comprising
- providing a cosmetic composition comprising:
- (i) from about 0.0001 to about 30% by weight of a mono-hydroxy substituted amine salt of malonic acid;
- (ii) from about 1 to about 99.9% by weight of a cosmetically acceptable carrier;
- applying the cosmetic composition to the skin.
Dependencies are inferred from the claim text.