Poloxamer 338 ek nonionic block copolymer hai jo polyethylene-polypropylene glycol se bana hota hai. Skincare products mein isse surfactant, emulsifier aur solubilizing agent ke taur par use hota hai. Yeh oils aur doosre poorly soluble ingredients ko paani mein achche se mix karne mein madad karta hai taaki formula smooth aur stable rahe.