Butylated Hydroxytoluene (BHT) ek synthetic antioxidant hai jo cosmetic formulations mein oils aur fats ke oxidation aur rancidity se bachane ke liye use hota hai. Yeh product ki stability aur shelf life ko maintain karne mein madad karta hai. Basically iska kaam stabilizer ki tarah hota hai aur yeh products ko zyada lambe time tak fresh aur effective rakhta hai.