INCI: Tetrapeptide-21, Glyerin, Butylene Glycol, Aqua
Dosage: 0,5 - 5%
Tetrapeptide-21 is a new bioactive tetrapeptide with superior collagen boosting activity. Tetrapeptide-21 is a peptide sequence based on skins own structure, minimizes the appearance of wrinkles and reduces skin roughness and is preservative-free. Tetratpeptide-21 is suitable for O/W and W/O formulation claiming anti-aging / anti-wrinkle properties.