Many women notice sudden pimples, oily skin, or painful acne just before their periods. Doctors say hormonal changes, stress, poor sleep, and diet can all play a role in these monthly breakouts.

Shop the best skin care products for cystic acne from brands including CeraVe, La Roche-Posay, Neutrogena and more. Plus, ...

Tyler Chin is GQ's associate commerce editor, overseeing all things lifestyle—from fitness to tech to home goods. He'll occasionally dabble in the menswear space, but otherwise you'll usually catch ...