Isopropyl Lauroyl Sarcosinate Middel Emollient No known benefits Isopropyl Lauroyl Sarcosinate at a glance Functions as an emollient Also helps dissolve ingredients that are not readily soluble Derived from amino acids Suggested usage amounts in cosmetics range from 2-10% Isopropyl Lauroyl Sarcosinate description Isopropyl lauroyl sarconsinate is a rarely used cosmetic ingredient that functions as an emollient. It also helps dissolve ingredients – including some organic UV filters – that are not readily soluble. Isopropyl lauroyl sarcosinate is derived from amino acids. There isn’t a large body of research regarding its safety. There are some reports of allergic contact dermatitis from products containing isopropyl lauroyl sarcosinate, though it hasn’t been clearly determined if this ingredient by itself caused those reactions, or if other factors were at issue. Suggested usage amounts for isoproyl lauroyl sarcosinate in cosmetics range from 2-10%.