US Patent No. 9,770,401 B2.
US Patent No. 9,770,401 B2; L'Oréal, Paris, has patented a skin tightening aqueous film forming composition that provides a tightening sensation and smoothes skin imperfections upon application. The formulation contains sodium silicate and 1% to 10% by weight of pullulan; montmorillonite, bentonite, or a mixture thereof; acrylates copolymer; a plasticizer selected from the group consisting of glycerin, propylene glycol, butylene glycol, and propanediol; and polymethyl methacrylate powder.