When people supplement with anywhere from 5-15 grams... of hydrolyzed collagen per day, in particular in combination with vitamin C, it doesn't have to be a lot of vitamin C, one can observe... some visible improvements in skin composition, meaning less wrinkles, even some reversal of wrinkles, less skin sagging, more youthful appearance, more kind of, let's just call it, rebound elasticity of the skin.