Porous particles loaded with cosmetically or pharmaceutically active compounds
AssigneeL'oreal
InventorsJean-Thierry Simonnet, Bruno Biatry, Didier Saint-Leger
Life of this patent
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Abstract
Individualized porous particles having a volume-average diameter of less than or equal to 10 μm and a specific surface area of greater than or equal to 1 m2/g, and that include at least one cosmetically or pharmaceutically active compound present at least inside the particles.
Claims7
A method for administering a cosmetically active compound into a pilosebaceous unit, the method comprising:
- topically applying on the surface of skin individualized porous particles or a cosmetic composition including said particles, said particles
- comprising organic porous particles of Nylon 12,
- having a volume-average diameter of less than 10 um and a specific surface area of greater than or equal to 1 m2/g, and
- comprising at least 5-n-octanoylsalicylic acid as the cosmetically active compound present inside said particles.
A cosmetic treatment method for preventing and/or treating oily skin, comprising topically applying, on the surface of skin of an individual in need thereof, individualized porous particles or a cosmetic composition including said particles, said particles
- comprising organic porous particles of Nylon 12,
- having a volume-average diameter of less than 10 um and a specific surface area of greater than or equal to 1 m2/g, and
- comprising at least 5-n-octanoylsalicylic acid as the cosmetically active compound present inside said particles.
Dependencies are inferred from the claim text.