"Because oil glands on your back are larger than those on your face and tend to produce more oil, acne-creating bacteria can flourish there," says Paul Friedman, M.D., a dermatologist and coauthor of Beautiful Skin Revealed. "Sweat plus tight workout clothes compound the problem." Battle blemishes by wearing loose, breathable tops. Remove sweaty clothes and shower right after exercise with a zit-busting benzoyl peroxide wash.

Answered by FitnessEditor