Description
All-trans retinal is converted to retinoic acid in vivo by the action of retinal dehydrogenase. It can promote collagen and hyaluronic acid synthesis, increase skin thickness and elasticity, remove wrinkles and tighten skin, also can inhibit melanin synthesis, reduce pigmentation, whitening and freckle removal. It has the function of anti-oxidation, anti-aging skin, updating cutin and rejuvenating skin. It can kill propionibacterium acnes and streptococcus, etc., treat acne, reduce acne marks and treat skin photoaging