This is the guide for every stylist who's ever lightened a curl and held their breath. Inside: the science of what over-processing actually does to a curl, how to read elasticity in real time while your lightener is processing, and the exact protocol — developer choice, K18, Innersense — that keeps curl pattern intact from first application to final rinse. No fluff. Just the stuff that actually protects the hair.
This is the guide for every stylist who's ever lightened a curl and held their breath. Inside: the science of what over-processing actually does to a curl, how to read elasticity in real time while your lightener is processing, and the exact protocol — developer choice, K18, Innersense — that keeps curl pattern intact from first application to final rinse. No fluff. Just the stuff that actually protects the hair.