Chemical hair straighteners, also known as chemical hair relaxers, are hair care products that straighten curls. They work by changing the protein structures in the hair to alter their shape. These changes are often permanent, which means the hair remains straight until the treated strands grow out.
There are several types of chemical hair relaxer products. The most affordable treatments are at-home kits from pharmacies and drug stores. Many hair salons also offer professional chemical hair straightening treatments. The American Academy of Dermatology Association advises having straightening treatments applied by a professional stylist and reapplying the products no sooner than two to three months to straighten regrowth.
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