Tetrapeptide-21, also known as TEGO Pep4-17, is a cutting-edge cosmetic ingredient that significantly boosts collagen production, outperforming traditional market standards like Matrixyl. This bioactive tetrapeptide enhances skin elasticity and firmness by stimulating the production of collagen, hyaluronic acid, and fibronectin. It is a stable, safe, and highly effective ingredient ideal for formulating advanced anti-aging skincare products. Engdu YoungShe Chemical Co., Ltd offers Tetrapeptide-21 with over 95% purity and prompt delivery from stock.
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