Hydrogenated Styrene/Butadiene Copolymer ek synthetic polymer hai jo cosmetics mein film-forming aur viscosity-adjusting agent ke taur par kaam karta hai. Yeh formulations ko bind karne mein, texture ko improve karne mein, aur water resistance dene mein madad karta hai. Isse skincare aur makeup products mein commonly use hota hai taaki product zyada smooth aur long-lasting rahe.