Tetrapeptide-3 ek synthetic peptide hai jo cosmetic mein use hota hai skin ko firm aur plump dikhane ke liye. Yeh visible fine lines ko kam karne mein help karta hai aur dusre peptides ke saath skin ke natural firmness ko support karta hai. Isko usually formulations mein add karte hain jo skin elasticity aur texture improve karte hain. Regular use se skin zyada taut aur young-looking dikh sakti hai.