The Kerastase Reflect set improves and protect color-treated hair by nourishing it and fighting off oxidation from UV rays. Bain shampoo, the first step, protects color by giving hair UV filters.
The hair mask follows, giving hair the nutrients for extending color vibrancy. It should be used at least weekly, or more often for thicker hair. To soften hair, use Fluide to further prolong color and keep frizz away.