To battle this, you must “select a product that’s pH neutral so it would not dry because it exfoliates.” And do not just stop with your face — the skin in your body needs exfoliation, too. “For oily or acne-prone skin, a salicylic gel or benzoyl peroxide wash works great,” says Dr. Ava Shamban, a dermatologist in Santa Monica. “For dry mature pores and skin, use either a moisturizing glycolic or milky cleanser. For pores and skin with brown spots or melasma, use a brightening wash, such as an alpha hydroxy acid cleanser.” One approach to get extra greens into …