Here's How to Minimize Hot Tool Damage

Before doing any sort of heat styling, make sure hair is pretreated with heat protecting and moisturizing products. "If you wash and condition your hair, use protective products and use a mask, hot tools are OK twice a week," says Warren. "If you have weak or damaged hair, talk with your stylist to get your hair in shape before proceeding with regular hot tool usage."

He singles out Kérastase Densifique Bain Densité Shampoo, $35, and Moroccan Gold Series My NuDo Rejuvenating Shampoo, $60, to help increase hair density and to strengthen hair as well as a mask like the Moroccan Gold Series Truffle Mask, $44. "I also recommend Shu Uemura Blow Dry Beautifier Thermo BB Cream, $39. This multi-benefit heat protectant blowdry perfecting BB cream is a leave-in hair treatment that weightlessly coats thick hair. The Kérastase Keratine Thermique Blow Dry Primer, $37, reduces hair breakage and is a heat protectant with 450 degree Fahrenheit thermo-protection."

Hershberger says she applies Sally Hershberger 24K Liquid Assets Daily Conditioning Remedy, $32, which is fortified with keratin proteins that help to strengthen and repair hair while protecting from heat, on damp hair.

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