is a type of silicone, often used in  cosmetics, personal care products, and  

是一種有機矽，通常用於化妝品、個人護理產品和

certain medical applications. Its main function  is as a conditioner, delivery agent, lubricant,  

某些醫療應用。其主要功能是作為調理劑、輸送劑、潤滑劑

and solvent, providing a silky, smooth feel when  applied to the skin or hair. Its low surface  

和溶劑，在塗抹到皮膚或頭髮上時提供絲般光滑的感覺。其低表面

tension allows it to spread easily and fill in  fine lines or wrinkles. The substance is volatile,  

張力使其易於擴散並填充細紋或皺紋。該物質具有揮發性，

meaning it evaporates quickly, leaving behind  no residue or build-up. Despite these benefits,  

這意味著它會迅速蒸發，不會留下任何殘留物或堆積物。儘管有這些好處，但

there are concerns about its environmental  impact. While generally considered safe for  

人們仍擔心其對環境的影響。雖然通常被認為對

human use, it's non-biodegradable  and persistent in the environment,  

人類使用是安全的，但它不可生物降解並且在環境中持久存在，

which has led to regulatory scrutiny  and calls for alternatives. It's still  

這導致了監管審查並呼籲尋找替代品。它仍然

widely used, but manufacturers are  exploring more sustainable options.

被廣泛使用，但製造商正在探索更可持續的選擇。