12.24.21
US Patent No. 11,154,471 B2 (Béatrice Thomas, Frederik Pinay); L'Oréal, Paris has patented an aqueous cosmetic composition in flexible solid form. It is comprised of anionic surfactants comprising a sulfonate group, one or more esters of fatty acid(s) comprising at least 12 carbon atoms, and one or more fatty alcohols comprising at least 16 carbon atoms. The weight ratio of the esters of fatty acid(s) to the fatty alcohols is between 0.5 and 5.