Chitosan ek natural polysaccharide hai jo chitin se banaya jata hai. Skincare mein iska use film-forming aur moisturizing ingredient ke taur par hota hai. Yeh skin ko hydrated rakta hai aur product ka texture bhi improve karta hai. Iska mild antimicrobial properties bhi hote hain jo skin ke liye accha hota hai. Wound healing ke liye bhi iska kaafi research ho raha hai.