SH-Polypeptide-3 ek synthetic copper-binding tripeptide hai, jise copper tripeptide ya GHK-Cu bhi kehte hain. Ye skincare mein use hota hai kyunki ye collagen banane mein help karta hai, skin healing support karta hai, aur antioxidant ki tarah kaam karta hai. Generally ye skin ke liye safe aur gentle maana jaata hai.