Collagen Supplement For Skin And Hair Prowise Collagen+ capsules are a natural food supplement containing an unparalleled blend of Type 1 2 pure hydrolyzed marine collagen, made in the UK using only the finest quality premium grade Collagen. Collagen Supplement For Skin And Hair. Hydrolyzed marine collagen is the form that has been used more extensively in research to show the health support effects of collagen on skin, bone, and tissue. The depletion of collagen in the skin is the main reason for the formation of lines and wrinkles. It is thought that from the age of 25, your body loses collagen at a rate of 1.5% per annum, so by the age of 35, your body will have lost 15% and by 45, 30%.