1, yeast extract: It is a natural skin conditioner, rich in amino acids, vitamins, trace elements and organic acids, which can provide needed nutrition for skin, promote skin metabolism and improve skin condition.

2. Yeast fermented products: products fermented by yeast, which are rich in a variety of ingredients beneficial to the skin, such as amino acids, vitamins, minerals, etc. , can provide the required nutrition for the skin and promote skin health.

3. Yeast polysaccharide: it is a polysaccharide extracted from yeast cell wall, which has good moisturizing, antioxidant and anti-inflammatory effects, and can provide needed nutrition for the skin and improve the skin condition.