Back to results
US 12,544,319 B2Granted
Use of calcined kaolin as a mattifying agent
AssigneeImerTech SAS
InventorLaure Pagis
Life of this patent
Estimating the term…
Abstract
A cosmetic composition comprising a cosmetically acceptable carrier and at least 2.5% by weight of calcined kaolin relative to the total weight of the composition, a cosmetic method for reducing the gloss of the skin, and the use of calcined kaolin as a mattifying agent in a cosmetic composition.
Claims4
A method for reducing skin gloss consisting of applying to a skin surface a composition having a cosmetically acceptable carrier and an effective amount of flash calcined kaolin, the effective amount being at least 2.5% by weight of flash calcined kaolin relative to a total weight of the composition having the cosmetically acceptable carrier;
- wherein the flash calcined kaolin has:
- a specific surface area (BET) between 8 and 14 m2/g,
- a sebum absorption of at least 60 mL/100 g of flash calcined kaolin,
- a water absorption of at least about 60 mL/100 g, and
- a mean particle size as determined by sedimentation (d50) ranging from about 0.1 μm to about 4.0 μm.
2 more elements
Dependencies are inferred from the claim text.