Sirelax is an active ingredient obtained from the fermentation and transformation of natural amino acids by Bacillus. It can inhibit excitatory neurotransmitters, alleviate the adverse effects of mental tension on the skin, regulate the release of immune factors and lymphocyte balance, stabilize mast cells, reduce the release of inflammatory factors, and improve skin microcirculation. It can be used in all kinds of skin care products, especially for people who often stay up late, work overtime and other mental pressure.