Preparation of water wash-off face pack composed with collagen polypeptide from wall-eye pollock(Theragra chalcogramma) skin

Water wash-off face pack was prepared by a process including dissolving,stirring,mixing and homogenizing.The active ingredients were composed of collagen polypeptide from wall-eye pollock skin,trehalose and grape seed extract(or phycocyan),and the matrix was composed of carboxymethylcellulose,algin and polyethylene glycol 1 500,with mass fractions of 2.0%,1.0% and 4.6% respectively.Through microbial challenge test,GL-PLUS(mass fraction 1.0%) was selected as the preservative for the water wash-off face pack product.Through in vitro moisturizing and anti-aging efficacy study,the mass fraction of collagen polypeptide,trehalose and grape seed extract(or phycocyan) in the product were identified as 3.7%,6.5% and 1.2% respectively.Results obtained through heat-resisting,cold-resisting and centrifuge tests showed that the product displays good stability.