of vitamin C; vitamin E and its derivatives such as vitamin E acetate with antioxidant (anti-ageing) properties; - silicone oils for example dimethicones and alkyl dimethicones; - perfluoropolyethers, for example perfluoropolyethers of type Y and Z, dialcoholic perfluoropolyethers and ethoxylated dialcoholic perfluoropolyethers.