Polysiloxane-15 ek silicone-based polymer hai jo cosmetic products mein use hota hai. Yeh skin ko smooth aur silky feel deta hai, product ko skin par easily spread karne mein help karta hai, aur ek lightweight protective film bana leta hai. Yeh mainly texture ko better banane aur skin ko condition karne ke liye use hota hai, na ki kisi active treatment ke liye.