Patents

Pore-Hiding Cosmetic Patented by L’Oréal

The formulation contains boron nitride filler and non-emulsifying silicon elastomer.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,806,424 B2 (Romain Tachon, Momoko Shimizu); L'Oréal, Paris, has patented a  cosmetic process for decreasing the visibility of skin imperfections. It entails applying at least one layer of a cosmetic composition to skin. That composition comprises, in a physiological medium, the following:

• at least one plate type boron nitride filler having a refractive index between about 1.6 and about 2.2 and having a particle size ranging from about 1 μm to about 20 μm, wherein the total amount of boron nitride present in the composition ranges from about 2% to about 5% by weight, relative to the total weight of the composition,

• at least one non-emulsifying silicon elastomer, wherein the total amount of non-emulsifying silicone elastomer particle present in the composition ranges from about 3% to about 30% by weight, relative to the total weight of the composition; and

• at least one filler having an oil absorption capacity greater than or equal to 1 ml/g chosen from hydrophobic silica aerogel particles, wherein the at least one filler having oil absorption capacity greater than or equal to about 1 mL/g is present in an amount ranging from about 0.1% to about 2% by weight, relative to the total weight of the composition.

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