Glycolic Acid

This alpha hydroxyl acid (AHA) easily penetrates the skin, helping with skin concerns such as dry skin, rough texture or loss of elasticity. As the acid exfoliates away dead skin cells, it even out skin tone and promotes collagen production.
Cosrx AHA 7 Whitehead Power Liquid Quick shop
Neogen Bio-Peel Gauze Peeling Wine Quick shop
Cosrx Natural BHA Skin Returning A-Sol Quick shop