A "mild exfoliant" refers to a gentle substance or product used to remove dead skin cells from the surface of your skin. It helps to make your skin smoother and clearer without being too strong or harsh. Full definition
A complexion enhancing face scrub with mild exfoliants that bring out your natural fairness and reveals glowing skin. (thebeautyholic.com)
They also add in hydrated silica as a mild exfoliant to help rid your skin of dead cells, dirt, and debris that could otherwise clog your pores. (geekwrapped.com)
Not only is it a beautiful dusty rose color, it helps pull impurities from the skin and acts as a mild exfoliant to rejuvenate skin. (wellnessmama.com)