Inside Beauty

Upper lip waxing: The Aftermath.

If you get redness and bumps, you're probably reacting to an ingredient in the wax or the friction that occurs when it's pulled off, says Dr. Wu. Treat the area with a few dabs of hydrocortisone cream. Switch to a natural sugar-based wax (like Parissa Chamomile body sugar, $12; parissa.com) that's less likely to aggravate skin. We like Olay's Facial Hair Removal kit, which comes with a waxy balm to smooth on before depilatory cream. "It protects skin and reduces the chance of irritation," says cosmetic chemist Ni'Kita Wilson.

Olay Smooth Finish Facial Hair Removal Duo, $25; olay.com.

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