How to Formulate Coppers Without Lightener

4-Step Vibrant Coppers Without Using Lightener Anyone with TikTok, Instagram or celeb access knows that coppers have been having a MASSIVE moment. Blondes, brunettes and every client in between are making the switch to rich red hues. If you're preparing for some major lifts and color corrections, don't worry—L’Oréal Professionnel Ambassador Natalie Eiley (@nat_doeshair) is sharing her method to achieve high-impact, transformative coppers without an ounce of lightener.    Swipe to see the before and after on Natalie's client! [btc-revealer left-id="760671" right-id="760672"]   1. Prep the hair with a metal detox spray. Why fight with your client's hair if...