Exfoliation (cosmetology)
（重定向自Chemexfoliation）
![Cross-section of all skin layers.](/Images/godic/202501/04/Skin1341.png")
![Exfoliation methods used in Canada in 2011. Shown: top right, a bath sponge made of plastic mesh; lower right, a brush with a pumice stone on one side and a natural bristle brush on the other side, for foot exfoliation; lower left, a mud mask package for facial exfoliation; top left, a jar of perfumed body scrub to be used while bathing.](/Images/godic/202501/04/Exfoliation_tools1341.jpeg")
Exfoliation involves the removal of the oldest dead skin cells on the skin's outermost surface. Exfoliation is involved in the process of all facials, during microdermabrasion or chemical peels at medical spas. Exfoliation can be achieved through mechanical or chemical means.