While a cup of coffee can provide antioxidants internally, you can get skin benefits from coffee Fight acne, eczema and psoriasis – The natural oil in coffee contains enzymes that detoxify, cleanse and help unclog pores, making it ideal for treating acne, eczema and other skin problems. Coffee oil is very similar to our natural body oils and has the same PH level as human skin. Your skin will absorb the oils in this natural soap, giving it a soft and silky feel.