Yogurt and Ground Coffee Exfoliating Acne Facial Yogurt and ground coffee are excellent natural exfoliants. The lactic acid in yogurt helps loosen up clogged pores while ground coffee boosts skin circulation and health while scrubbing off dead skin and dirt buildup. Yogurt also contains zinc that helps tighten pores and make skin smoother.To make a mask out of yogurt and ground coffee, add a
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