Product Name: Acety Tetrapeptide-22 Appearance: White powder Purity: 99% Standard: Enterprise Standard Supplier: ZhenYiBio Acetyltetrapeptide-22 is the reaction product of acetic acid and tetrapeptide-22. Acetyl tetrapeptide-22/tetrapeptide/Thermostressine promotes the production of heat shock protein 70 (HSP70) and enhances the skinâ??s resistance to the environment. It can increase the content of heat shock protein (HSP70) in the skin, thereby enhancing stress tolerance and Prevent damage. Therefore, acetyl tetrapeptide 22, as one of the most effective skin regenerating ingredients, can make the skin more relaxed and the appearance is more important.