Overnight Peptide Power MaskUse several times per week at nighttime as a sleep mask, or routine PM moisturizer. KEY INGREDIENTS: Hydrolyzed Collagen1% Collagen amino acids which are made fromthe hydrolysis (breaking down with water) of protein, resulting in a high amount of a single amino acid, hydroxyproline, which serves to increase skins moisture levels and smoothness. Matrixyl 3000 3% a peptide complex forstrengthening DNA repair in the skin, can help to boost