Acetyl Tetrapeptide-2 (乙酰基四胜肽-2) Acetyl Tetrapeptide-2(乙酰基四胜肽-2) is a biomimetic peptide derived from the youth hormone, thymopoietin. It compensates the natural loss of thymic factors related to the decline of the thymus with age. It increases the skin immuno-vigilance and helps it regenerates.













