Snail mucus, or snail slime, is one type of polymer, which is viscous and transparent. It is released for many reasons: to coat the surface cover when snail crawls, to adhere on the winding places, and to recognize other snails, and so on. However, snail mucus is more than just aid of snail’s survival. Snail mucus is mainly composed of glycoproteins, or mucin, which has various functions to be used as an excellent cosmetic ingredient, such as anti-wrinkle, wound healing, reducing pigmentation, etc. Achatina fulica, which is commonly known as African snail, is one of the most extensively studied snails for many reasons including medical importance. Snail slime from Achatina fulica has many functions which are wound or scratch and gingivitis healing and skin care. According to study, the mucus of Achatina fulica can cure the wound twice faster than normal saline solution. Snail’s protein, glycosaminoglycan, plays an important role as an essential biological functions.