1,2-Hexanediol ek aisa glycol hai jo skincare mein humectant aur solvent ki tarah use hota hai — matlab skin ko moisture hold karne mein help karta hai aur doosre ingredients ko properly dissolve karta hai. Iske saath saath yeh preservative-boosting aur mild antimicrobial properties bhi deta hai, jisse formulation stable rehti hai. Jab yeh paani ke saath mix hota hai toh mainly yeh kaam aur bhi effectively karta hai.