By Jackie Summers

Nowadays, haircolor freedom is all about bonds. That’s because there’s a whole new range of treatment systems that actually rebuild and repair the disulfide bonds that are disrupted during salon chemical treatments like lightening, coloring and texturizing. The difference is remarkable. Brittle hair becomes soft. Overprocessed hair is restored to health. Dry hair drinks deeply and emerges supple and glossy. Frequent color changes are less risky and options for color-loving clients multiply.

It all started with Olaplex, and soon Instagram was densely packed with high-risk color transformations, all crediting their success to Olaplex’s three-step…