Personal care composition

• US 20080038360A1
• Filed: 08/11/2006
• Published: 02/14/2008
• Est. Priority Date: 08/11/2006
• Status: Abandoned Application

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Zukowski, Joseph Michael, Griffiths-Brophy, Susan Adair
• Application Number:
  US11/502,866
• Publication Number:
  US 20080038360A1
• Time in Patent Office: Days
• US Class Current: 424/490
• CPC Class Codes: A61K 2800/412 Microsized, i.e. having sizes between 0.1 and 100 microns
• CPC Class Codes: A61K 8/06 Emulsions
• CPC Class Codes: A61K 8/11 Encapsulated compositions
• CPC Class Codes: A61K 8/891 saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• CPC Class Codes: A61K 8/894 modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61Q 1/02 Preparations containing skin colorants, e.g. pigments preparations in powder form A61Q1/12
• CPC Class Codes: A61Q 17/04 Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Abstract

Personal care composition comprising from about 0.1% to about 15% of an emulsifying silicone elastomer; from about 1% to about 90% of an aqueous phase; and from about 0.001% to about 5% of a coated particulate comprising a core material and a coating material, wherein the coated particulate has a size of from about 5 microns to about 100 microns and comprises from about 1% to about 15%, by weight of the coated particulate, of the coating material, and wherein the coating material comprises polysiloxanes.

Claims

1. A personal care composition comprising:

a) from about 0.1% to about 15% of an emulsifying silicone elastomer;

b) from about 1% to about 90% of an aqueous phase; and

c) from about 0.001% to about 5% of a coated particulate comprising a core material and a coating material, wherein the coated particulate has a size of from about 5 microns to about 100 microns and comprises from about 1% to about 15%, by weight of the coated particulate, of the coating material, and wherein the coating material comprises polysiloxanes.

2. The composition of claim 1, wherein the polysiloxanes are linear polysiloxanes.

3. The composition of claim 1 wherein the coating material comprises methicone, dimethicone, or combinations thereof.

4. The composition of claim 1, wherein the core material is selected from the group consisting of mica, iron oxide, titanium dioxide, boron nitride, interference pigments, and mixtures thereof.

5. The composition of claim 4 wherein the core material is an interference pigment.

6. The composition of claim 1 wherein the core material is platelet-shaped.

7. The composition of claim 1, further comprising from about 0.0001% to about 2% of a colorant.

8. The composition of claim 1, further comprising from about 0.001% to about 5% of an additional emulsifier.

9. The composition of claim 1, further comprising from about 0.1% to about 15% of a non-emulsifiying silicone elastomer.

10. The composition of claim 1, further comprising at least one solidifying agent.

11. The composition of claim 10, wherein the solidifying agent is a wax.

12. The composition of claim 11, wherein the wax is selected from the group consisting of a silicone wax, a polyethylene wax, and mixtures thereof.

13. The composition of claim 12, wherein the wax is a silicone wax.

14. The composition of claim 11, wherein the wax is selected from the group consisting of C16 to C28 alkyl dimethicone waxes, polythethylene waxes with a melting point of less than 120°

C., and combinations thereof.

15. The composition of claim 10, wherein the solidifying agent comprises from about 0.1% to about 20% of a first wax having a first melting point of from about 21°

C. to about 40°

C., and from about 0.1% to about 20% of a second wax having a second melting point of from about 40°

C. to about 120°

C.

16. The composition of claim 10, wherein the composition has a first hardness at a first temperature of 21°

C., and a second hardness at a second temperature of 33°

C., wherein the second hardness is less than 55% of the first hardness.

17. The composition of claim 16, wherein the first hardness at the first temperature of 21°

C. is from about 2 g to about 45 g and the second hardness at the second temperature of 33°

C. is about 0.1 g to about 30 g.

18. The composition of claim 1 wherein the aqueous phase comprises from about 30% to about 90%, by weight of the composition, of water.

19. The composition of claim 1, wherein the aqueous phase comprises from about 0.1% to about 70% of a non-water component.

20. The composition of claim 19, wherein the non-water component is glycerin.

21. The composition of claim 1, wherein the aqueous phase visibly separates from the non-aqueous phase upon the application of shear force.

22. The composition of claim 1, wherein the adjusted contrast ratio is from about 0 to about 35.

23. The composition of claim 1 wherein the chroma of the bulk composition is from about 0 to about 22.

24. The composition of claim 1, further comprising at least one additional skin care active.

25. The composition of claim 24, wherein said additional skin care active is selected from the group consisting of vitamin B compounds, vitamin C compounds, vitamin E compounds, peptides, sugar amines, oil control agents, protease inhibitors, skin lightening agents, hexamidine compounds, and combinations thereof.

26. The composition of claim 24, wherein said skin care active is selected from the group consisting of niacinamide, palmitoyl-lysine-threonine, hexamidine diisethionate, palmitoyl-lysine-threonine-threonine-lysine-serine, N-acetyl-D-glucosamine, salicylic acid, dehydroacetic acid, sodium dehydroacetate, and combinations thereof.

27. A method of providing a benefit to mammalian keratinous tissue, comprising the step of topically applying to mammalian keratinous tissue a personal care composition comprising:

a) from about 0.1% to about 15% of an emulsifying silicone elastomer;

b) from about 1% to about 90% of an aqueous phase; and

c) from about 0.001% to about 5% of a coated particulate comprising a core material and a coating material, wherein the coated particulate has a size of from about 5 microns to about 100 microns and comprises from about 1% to about 15%, by weight of the coated particulate, of the coating material, and wherein the coating material comprises polysiloxanes.

28. The method of claim 27, wherein the mammalian keratinous tissue is insult-affected mammalian skin.

29. A kit comprising:

a) a personal care composition comprising;

i. from about 0.1% to about 15% of an emulsifying silicone elastomer;

ii. from about 1% to about 90% of an aqueous phase; and

iii. from about 0.001% to about 5% of a coated particulate comprising a core material and a coating material, wherein the coated particulate has a size of from about 5 microns to about 100 microns and comprises from about 1% to about 15%, by weight of the coated particulate, of the coating material, and wherein the coating material comprises polysiloxanes.

b) at least one additional component selected from the group consisting of at least one additional composition, at least one orally ingestible dietary supplement, an implement, a delivery enhancement device, a temperature change element, instructions for complying with suitable application regimens, and combinations thereof; and

c) instructions for complying with a regimen to provide a benefit to keratinous tissue.