Exuviance retinol serum is one serum there help to to get firmer past, the laws more springy skin. Contains retinol as is with to to smooth pigmentation past, the laws reduce signs of aging. In addition, contains it also neoglukosamin as increases presence of hyaluronic acid, as available naturally in skin. Hyaluronic acid help to to reduce fine lines past, the laws wrinkles. Application:applied on one cleaned face about evening. What recommended to one starts with to use it 2-3 times in week past, the laws build skin tolerance. End of with night cream