01 What is cysteine Cysteine, also known as L-Cysteine (L-cysteine), is a common amino acid found in living organisms. It is a colorless...

Weight loss is intermittent, anti-aging is eternal. At present, there are three main components of anti-aging: Retinol(Vitamin A),...

The polypeptide in cosmetics has a variety of effects, mainly including moisturizing, anti -aging, diluting melanin, whitening,...