Composition comprising zinc-containing layered material with a high relative zinc lability
The present invention relates to a composition comprising an effective amount of zinc-containing layered material, an effective amount of a surfactant including a surfactant with an anionic functional group, wherein the zinc-containing layered material has a relative zinc lability of greater than about 15%. The present invention further relates to a composition according to Claim 1 wherein the composition further comprises an effective amount of a pyrithione or a polyvalent metal salt of a pyrithione.
1. A composition comprising:
a) from 0.001% to 10% of a zinc-containing layered material, wherein the zinc-containing layered material is selected from a group consisting of basic zinc carbonate, zinc carbonate hydroxide, hydrozincite, layered double hydroxide, hydroxy double salts and mixtures thereof;
b) from 10% to 50% of a surfactant including a surfactant with an anionic functional group;
c) from 0.01% to 5% of a pyrithione or a polyvalent metal salt of a pyrithione;
wherein the zinc-containing layered material has a relative zinc lability of at least 37% in 6% sodium lauryl sulfate, and wherein the ratio of surfactant to the zinc-containing layered material is at least 2 to 1.
2. A composition according to claim 1 wherein the pyrithione or polyvalent metal salt of pyrithione is zinc pyrithione.
3. A composition according to claim 1 wherein the surfactant is selected from the group consisting of anionic, cationic, nonionic, amphoteric or zwitterionic.
4. A composition according to claim 3 wherein the surfactant is anionic.
5. A composition according to claim 1 wherein the pH is at least 6.5.
6. A composition according to claim 5 wherein the pH is from 6.8 to 9.5.
7. A composition according to claim 6 wherein the pH is from 6.8 to 8.5.
8. A composition according to claim 1 wherein the composition further comprises a cationic deposition polymer.
9. A composition according to claim 1 wherein the composition further comprises a conditioning agent.
10. A composition according to claim 1 wherein the composition further comprises a suspending agent.
11. A composition according to claim 10 wherein the suspending agent is selected from the group consisting of crystalline suspending agent, polymeric suspending agent or mixtures thereof.
12. A composition according to claim 11 wherein the suspending agent is a crystalline suspending agent.
13. A method of treating microbial infections comprising the use of the composition of claim 1 comprising the steps of: (a) wetting hair or skin with water; (b) applying an effective amount of the composition of claim 1 to the hair or skin; (c) rinsing the composition of claim 1 from the hair or skin using water; and (d) repeating steps a, b, and c as needed.
14. A method of treating fungal infections comprising the use of the composition of claim 1 comprising the steps of: (a) wetting hair or skin with water; (b) applying an effective amount of the composition of claim 1 to the hair or skin; (c) rinsing the composition of claim 1 from the hair or skin using water; and (d) repeating steps a, b, and c as needed.
15. A method of treating dandruff comprising the use of the composition of claim 1 comprising the steps of: (a) wetting hair or skin with water; (b) applying an effective amount of the composition of claim 1 to the hair or skin; (c) rinsing the composition of claim 1 from the hair or skin using water; and (d) repeating steps a, b, and c as needed.
16. A composition comprising:
a) from 0.1% to 5% of a zinc-containing layered material, wherein the zinc-containing layered material is selected from a group consisting of basic zinc carbonate, zinc carbonate hydroxide, hydrozincite, layered double hydroxide, hydroxy double salts and mixtures thereof;
b) from 10% to 50% of a surfactant including a surfactant with an anionic functional group;
c) from 0.1% to 2% of a pyrithione or a polyvalent metal salt of a pyrithione;
wherein the zinc-containing layered material has a relative zinc lability of at least 37% in 6% sodium lauryl sulfate, and wherein the ratio of surfactant to the zinc-containing layered material is at least 2 to 1.
17. A composition comprising:
a) from 0.001% to 10% of a zinc-containing layered material wherein the zinc-containing layered material is Bruggemann zinc carbonate;
b) from 10% to 50% of a surfactant including a surfactant with an anionic functional group;
c) from 0.01% to 5% of a pyrithione or a polyvalent metal salt of a pyrithione;
wherein the zinc-containing layered material has a relative zinc lability of at least 37% in 6% sodium lauryl sulfate and wherein the ratio of surfactant to the zinc-containing layered material is at least 2 to 1.
18. A composition comprising:
a) from 0.001% to 10% of a zinc-containing layered material wherein the zinc-containing layered material has a relative zinc lability of 76.4% for a particle size of 1.0 (μ) 2 , the zinc-containing layered material selected from a group consisting of basic zinc carbonate, zinc carbonate hydroxide, hydrozincite, layered double hydroxide, hydroxy double salts and mixtures thereof;
b) from 10% to 50% of a surfactant including a surfactant with an anionic functional group;
c) from 0.01% to 5% of a pyrithione or a polyvalent metal salt of a pyrithione; and
further wherein the ratio of surfactant to the zinc-containing layered material at least 2 to 1.
19. A composition comprising:
a) from 0.001% to 10% of a zinc-containing layered material wherein the zinc-containing layered material has a relative zinc lability of 56.9% for a particle size of 4.5 (μ) 2 , the zinc-containing layered material selected from a group consisting of basic zinc carbonate, zinc carbonate hydroxide, hydrozincite, layered double hydroxide, hydroxy double salts and mixtures thereof;
b) from 10% to 50% of a surfactant including a surfactant with an anionic functional group;
c) from 0.01% to 5% of a pyrithione or a polyvalent metal salt of a pyrithione; and
wherein the ratio of surfactant to the zinc-containing layered material is at least 2 to 1.