Backstage Secret: Stylists Are Skipping the Suds Before the Red Carpet

Call it the quiet trick behind the shine: hairstylists are steering clients toward "dirty conditioning," working conditioner into unwashed hair before the shampoo ever comes out. The order matters as much as the product, they say, leaving strands softer and healthier once the style finally goes up. It is the kind of unglamorous backstage step that never makes the caption but does the real work under a crown or a red-carpet blowout.

With reporting from Harper's Bazaar.