Tetrapeptide-21

Tetrapeptide-21

1. Introduction
Tetrapeptide-21 is a synthetic oligopeptide composed of a sequence of four amino acids (H-Val-Pro-Pro-Pro-OH). It is a bio-active peptide designed based on protein sequence research, renowned for its exceptional efficacy in anti-wrinking and skin firming. In the high-end skincare industry, it is often hailed as "Botox in a jar" or a similar ingredient to "Syn®-Ake" (a synthetic snake venom-like peptide).