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"Clay and mud can both help pull oil out of skin and decrease its production," says Jeanine B. Downie, M.D., a dermatologist in Montclair, N.J.
• If a gentle cleanser doesn't do the trick, try a clay or mud mask to hasten zits' demise.
• During pregnancy, avoid products that include vitamin-A derivatives such as Retin-A and Renova; Accutane, in particular, is known to cause serious birth defects.
• If you still have blemish problems, ask your physician about other options; some doctors sanction glycolic peels and even certain laser treatments during pregnancy.
*Try... Origins You're Getting Warmer Purifying Clay Mask, $19