Personal care compositions comprising undecyl sulfates
A personal care composition comprising a dermatologically acceptable carrier, and from about 3 wt % to about 40 wt % of at least one undecyl sulfate compound selected from the group consisting of: a) R 1 —O(CH 2 CHR 3 O) y —SO 3 M; b) CH 3 —(CH 2 ) z —CHR 2 —CH 2 —O(CH 2 CHR 3 O) y —SO 3 M; and c) mixtures thereof; where R 1 represents CH 3 (CH 2 ) 10 , R 2 represents H or a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R 2 is 8, R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
1. A personal care composition comprising a dermatologically acceptable carrier, and from about 3 wt % to about 40 wt % of at least one undecyl sulfate surfactant compound selected from the group consisting of:
a) R 1 —O(CH 2 CHR 3 O) y —SO 3 M;
b) CH 3 —(CH 2 ) z —CHR 2 —CH 2 —O(CH 2 CHR 3 O) y —SO 3 M; and
c) mixtures thereof;
where R 1 represents CH 3 (CH 2 ) 10 , R 2 represents a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R 2 is 8, R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
2. The personal care composition of claim 1 , additionally comprising a beauty benefit agent selected from the group consisting of conditioning agents, scalp-care agents, colorants, rheology modifiers, and combinations thereof.
3. The composition of claim 1 , wherein M is selected from the group consisting of ammonium, sodium, potassium, magnesium, triethanolamine cation, and mixtures thereof.
4. The composition of claim 1 , further comprising from about 0.5 wt % to about 10 wt % of a co-surfactant selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant, a cationic surfactant, a nonionic surfactant, and mixtures thereof.
5. The composition of claim 4 , wherein the co-surfactant is selected from the group consisting of: Cocomonoethanol Amide, Cocoamidopropyl Betaine, Laurylamidopropyl Betaine, Cocobetaine, lauryl betaine, lauryl amine oxide, sodium lauryl amphoacetate, and mixtures thereof.
6. The composition of claim 1 , wherein the concentration of the undecyl sulfate surfactant compound is from about 3 wt % to about 37 wt %, and wherein the composition further comprises from about 3 wt % to about 37 wt % of at least one additional anionic surfactant.
7. The composition of claim 6 , additionally comprising a co-surfactant selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant, a cationic surfactant, a nonionic surfactant, and mixtures thereof.
8. The composition of claim 1 , having a viscosity of from about 3,000 cps to about 500,000 cps.
9. A personal care composition comprising a dermatologically acceptable carrier, and from about 5 wt % to about 15 wt % of at least one undecyl sulfate surfactant compound of the formula R 1 —O(CH 2 CHR 3 O) y —SO 3 M, where R 1 represents CH 3 (CH 2 ) 10 , R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
10. The personal care composition of claim 9 , additionally comprising a beauty benefit agent selected from the group consisting of conditioning agents, scalp-care agents, colorants, rheology modifiers, and combinations thereof.
11. The composition of claim 9 , wherein M is selected from the group consisting of ammonium, sodium, potassium, magnesium, triethanolamine cation, and mixtures thereof.
12. The composition of claim 9 , further comprising from about 0.5 wt % to about 10 wt % of a co-surfactant selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant, a cationic surfactant, a nonionic surfactant, and mixtures thereof.
13. The composition of claim 12 , wherein the co-surfactant is selected from the group consisting of: Cocomonoethanol Amide, Cocoamidopropyl Betaine, Laurylamidopropyl Betaine, Cocobetaine, lauryl betaine, lauryl amine oxide, sodium lauryl amphoacetate, and mixtures thereof.
14. A single phase, isotropic personal care composition comprising a dermatologically acceptable carrier, and from about 3 wt % to about 40 wt % of at least one undecyl sulfate surfactant compound selected from the group consisting of:
a) R 1 —O(CH 2 CHR 3 O) y —SO 3 M;
b) CH 3 —(CH 2 ) z —CHR 2 —CH 2 —O(CH 2 CHR 3 O) y —SO 3 M; and
c) mixtures thereof;
where R 1 represents CH 3 (CH 2 ) 10 , R 2 represents a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R 2 is 8, R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
15. The composition of claim 14 , wherein M is selected from the group consisting of ammonium, sodium, potassium, magnesium, triethanolamine cation, and mixtures thereof.
16. The composition of claim 14 , further comprising from about 0.5 wt % to about 10 wt % of a co-surfactant selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant, a cationic surfactant, a nonionic surfactant, and mixtures thereof.
17. A single phase, isotropic personal care composition comprising a dermatologically acceptable carrier, and from about 3 wt % to about 40 wt % of at least one undecyl sulfate compound of the formula CH 3 —(CH 2 ) z —CHR 2 —CH 2 —O(CH 2 CHR 3 O) y —SO 3 M, where R 2 represents a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R 2 is 8, R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
18. The composition of claim 17 comprising from about 5 wt % to about 15 wt % of the at least one undecyl sulfate compound.
19. A personal care composition comprising a dermatologically acceptable carrier, and from about 3 wt % to about 40 wt % of at least one undecyl sulfate surfactant compound of the formula R 1 —O(CH 2 CHR 3 O) y —SO 3 M, where R 1 represents CH 3 (CH 2 ) 10 , R 3 is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not=0, and M is a mono-valent or di-valent, positively-charged cation.
20. The composition of claim 19 wherein y is 0.
21. The composition of claim 7 , wherein the co-surfactant is selected from the group consisting of: Cocomonoethanol Amide, Cocoamidopropyl Betaine, Laurylamidopropyl Betaine, Cocobetaine, lauryl betaine, lauryl amine oxide, sodium lauryl amphoacetate, and mixtures thereof.
22. The composition of claim 16 , wherein the co-surfactant is selected from the group consisting of: Cocomonoethanol Amide, Cocoamidopropyl Betaine, Laurylamidopropyl Betaine, Cocobetaine, lauryl betaine, lauryl amine oxide, sodium lauryl amphoacetate, and mixtures thereof.