CONCENTRATED PREPARATIONS OF LAE AND THEIR USE

摘要

The invention relates to concentrated preparations of 1-60% by weight of the Ethyl Lauroyl Arginate HCI (LAE) comprising (i), 1 o 99 % by weight of at least one solvent or surfactant selected from the group consisting of phenoxyethanol, benzyl alcohol, caprylyl glycol, hexylene glycol, pentylene glycol, decylene glycol, glyceryl monoester with a fatty acid selected from caprylic acid, capric acid, undecylenic acid and lauric acid, polyglycerine monoesters (polyglyceryl-3 caprylate), phenethyl alcohol, phenyl propanol and ethylhexyl glycerine, provided that when phenoxyethanol is present as the at least one solvent or surfactant its concentration shall be 2 to 99% by weight; (ii) optionally 0-20 % by weight of one or more organic acids with antibacterial activity; (iii) optionally 0-10 % by weight of one or more natural extracts with antibacterial activity; (iv) optionally 0-10 % by weight of one or more chelating agents; (v) optionally 0-10 % by weight of one or more antioxidants; and (vi) optionally 0-50% by weight of one ore more solvents or surfactants without antibacterial activity. These concentrations may be added to cosmetic compositions for personal care as preserving agents..