Long-wearing cosmetic compositions
View Patent ↗A cosmetic composition comprising: (A) at least one structured aqueous polymeric adhesive phase comprising: i) at least one aqueous dispersion of adhesive film-forming polymer particles; and ii) at least one structuring agent in an amount effective to viscoelastically thicken, but not solidify, the structured aqueous polymeric adhesive phase; and (B) at least one fatty phase comprising at least one lipidic component wherein (A) is compatible when combined with (B) to form a long-wearing cosmetic composition such that the viscosity of the long-wearing cosmetic composition is greater than the viscosity of (B) alone and the tan δ value of the long-wearing cosmetic composition is less than the tan δ value of (B) alone.
1. A cosmetic composition comprising:
(A) at least one structured aqueous polymeric adhesive phase comprising:
i) at least one aqueous dispersion of adhesive film-forming polymer particles; and
ii) at least one structuring agent in an amount effective to viscoelastically thicken, but not solidify, the structured aqueous polymeric adhesive phase; and
(B) at least one fatty phase comprising at least one non-volatile lipidic component
wherein the structured aqueous polymeric adhesive phase (A) has a viscosity from about 2 Pa-s to about 60 Pa-s at low shear rates and from about 0.5 Pa-s to about 5 Pa-s at high shear rates; wherein the structured aqueous polymeric adhesive phase has an Elastic Modulus (G′) from about 5 Pa to about 100 Pa, and a Viscous Modulus (G″) from about 15 Pa to about 300 Pa in the Linear Viscoelastic Region at 25° C. and 1 Hz fixed oscillation frequency;
wherein (A) is compatible when combined with (B) to form a long-wearing cosmetic composition such that the viscosity of the long-wearing cosmetic composition is greater than the viscosity of (B) alone and the tan δ value of the long-wearing cosmetic composition is less than the tan δ value of (B) alone.
2. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase (A) is dispersed within the fatty phase (B) and is thermally-tolerant.
3. The cosmetic composition of claim 1 wherein the cosmetic composition is absent an emulsifying agent.
4. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase (A) is from about 1% to about 80% by weight of the composition.
5. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase has a ratio of G″/G′ (tan δ) from about 1.5 to about 5.5 in the Linear Viscoelastic Region at 25° C. and 1 Hz fixed oscillation frequency.
6. The cosmetic composition of claim 1 wherein from about 0.5% to about 30%, by weight, of the aqueous dispersion of adhesive film-forming polymer particles comprises adhesive film-forming polymer particles.
7. The cosmetic composition of claim 1 wherein the aqueous dispersion of adhesive film-forming polymer particles comprises less than 10% volatile organic compounds by weight of the composition.
8. The cosmetic composition of claim 1 wherein the aqueous dispersion of adhesive film-forming polymer particles comprises adhesive film-forming polymer particles selected from the group consisting of homopolymers, heteropolymers, copolymers, and mixtures thereof.
9. The cosmetic composition of claim 8 wherein the adhesive film-forming polymer particles are selected from the group consisting of acrylic polymers and copolymers, vinyl polymers and copolymers, vinyl-acrylic copolymers, styrene-acrylic copolymers, silicone-acrylics, and mixtures thereof.
10. The cosmetic composition of claim 8 wherein the adhesive film-forming polymer particles are selected from the group consisting of polyurethanes, polyureas, polyurea-polyurethanes, polyester-polyurethanes, polyether-polyurethanes, polyvinylpyrrolidone-polyurethanes, acrylic-polyurethanes, silicone-polyurethanes, polyesters, polyamides, polyesteramides, epoxy ester resins, and mixtures thereof.
11. The cosmetic composition of claim 8 wherein the adhesive film-forming polymer particles is from about 10% to about 50% by weight of the aqueous dispersion of adhesive film-forming polymer particles.
12. The cosmetic composition of claim 1 wherein the structuring agent comprises from about 0.01% to about 5% by weight of the composition.
13. The cosmetic composition of claim 1 wherein the structuring agent is selected from the group consisting of natural gums and extracts, modified gums and extracts, hydrophilic natural and synthetic silicate clays, hydrophobic silicas, inorganic and polymeric porous microparticle absorbents, synthetic polymers, and mixtures thereof.
14. The cosmetic composition of claim 1 wherein the fatty phase (B) is from about 20% to about 99% by weight of the composition.
15. The cosmetic composition of claim 1 wherein the fatty phase (B) is comprised of one or more lipidic solid forming materials selected from the group consisting of solid polyol fatty acid polyesters, waxes, solid oils, and mixtures thereof.
16. The cosmetic composition of claim 1 further comprising an additional agent selected from the group consisting of thickening agents, lipo-soluble/lipo-dispersible film-forming agents, coloring agents, fillers/bulking agents, active agents, preservative agents, fragrance agents, flavoring agents, and mixtures thereof.
17. The cosmetic composition of claim 1 wherein the long-wearing cosmetic composition has a viscosity from about 4 Pa-s to about 2000 Pa-s at low shear rates and from about 0.5 Pa-s to about 15 Pa-s at high shear rates.
18. The cosmetic composition of claim 1 wherein the long-wearing cosmetic composition recovers to at least 20% of its starting viscosity when the shear rate is decreased to zero.
19. The cosmetic composition of claim 1 wherein the long-wearing cosmetic composition has an Elastic Modulus (G′) from about 100 Pa to about 500×10 3 Pa and a Viscous Modulus (G″) from about 30 Pa to about 200×10 3 Pa in the Linear Viscoelastic Region at 25° C. and 1 Hz fixed oscillation frequency.
20. The cosmetic composition of claim 19 wherein the long-wearing cosmetic composition has a ratio of G″/G′ (tan δ) from about 0.1 to about 1.0 in the Linear Viscoelastic Region at 25° C. and 1 Hz fixed oscillation frequency.
21. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase (A) and the fatty phase (B) are combined and homogeneously blended into a single composite composition that remains a stable composite composition over time.
22. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase (A) and the fatty phase (B) are combined and homogeneously blended into a single composite composition that does not remain as stable over time, but can be easily re-blended again at point of use/application by a consumer.
23. The cosmetic composition of claim 1 wherein the structured aqueous polymeric adhesive phase (A) and the fatty phase (B) are maintained separate and are delivered by action of the consumer into direct contact with the other such that said phases are homogeneously blended into a single composite composition at point of use or application by a consumer.
24. The cosmetic composition of claim 23 wherein the phases are separated by a means selected from the group consisting of an impermeable membrane, a solid physical barrier, and a containment vessel.