Tetrapeptide-21 [CAS 960608-17-7]

Tetrapeptide-21 is a bioactive peptide composed of four amino acids. Tetrapeptide-21 effectively enhances the vitality of human dermal fibroblasts. Tetrapeptide-21 upregulates the expression of key extracellular matrix (ECM) genes and promotes the synthesis of ECM proteins (such as type I collagen, hyaluronic acid synthase 1, and fibronectin) . Tetrapeptide-21 has the efficacy of anti-wrinkle and improving skin elasticity, and has been reported to be used as a cosmetic ingredient[1][2].

[960608-17-7]

C15H27N5O7

389.4

NCC(N[C@@H](CCC(O)=O)C(N[C@@H](CCCCN)C(NCC(O)=O)=O)=O)=O

Collagen

98.87

H2O : ≥ 200 mg/mL

-80°C, 2 years; -20°C, 1 year (Powder, sealed storage, away from moisture)

Blue Ice