Cosmetic composition comprising multiphasic particles
First Claim
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1. A cosmetic composition comprising:
- (a) a cosmetically acceptable carrier;
(b) multiphasic particles having a surface and at least two homogenous phases which provide homogenous areas at said surface, each area imparting a different property or function, said multiphasic particles having an average particle size of about 1 nanometer to about 10 millimeters and said multiphasic particles present in an amount of between about 0.01 and about 60 percent by weight of said composition; and
(c) optionally, at least one cosmetic additive for imparting an additional property to a keratinous substrate.
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Abstract
The present invention relates to multiphasic particles (MPPs), their design, composition, and use. The present invention also relates to products, and in particular, cosmetics, personal care products, and topical or dermatological products, which may be produced using MPPs.
64 Citations
21 Claims
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1. A cosmetic composition comprising:
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(a) a cosmetically acceptable carrier;
(b) multiphasic particles having a surface and at least two homogenous phases which provide homogenous areas at said surface, each area imparting a different property or function, said multiphasic particles having an average particle size of about 1 nanometer to about 10 millimeters and said multiphasic particles present in an amount of between about 0.01 and about 60 percent by weight of said composition; and
(c) optionally, at least one cosmetic additive for imparting an additional property to a keratinous substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A process for imparting a visual or cosmetic effect onto a keratinous substrate comprising the steps of:
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(a) providing a cosmetic composition comprising;
(i) a cosmetically acceptable carrier;
(ii) multiphasic particles having a surface and at least two homogenous phases which provide homogenous areas at said surface, each area imparting a different property or function, said multiphasic particles having an average particle size of about 1 nanometer to about 10 millimeters and said multiphasic particles present in an amount of between about 0.01 and about 60 percent by weight of said composition; and
(iii) optionally, at least one cosmetic additive for imparting an additional property to the keratinous substrate; and
(b) contacting the cosmetic composition with the keratinous substrate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification