HAIR TYPE: Blonde Hair / COLLECTION: Fusio-Dose / Kérastase Fusio Dose Concentrate (a.h.) Ultraviolet is a pure liquid treatment that instantly neutralizes brassy and yellow tones, while reinforcing the luminosity of the colors and illuminating the natural shine. Enriched with hyaluronic acid and ultra-violet neutralizers, this concentrate strengthens hair ceramides to reinforce lightened hair. When combined with Booster Cicafibre, Ultra Violet (H.A) Concentrate provides deep, long-lasting moisture to the hair, leaving it softer, stronger, and brighter blonde. Benefits of Kérastase Fusio Dose Concentrate Ultraviolet : -Neutralizes brassy and yellow tones instantly -Reinforces lightened hair and strengthens hair ceramides -Illuminates natural shine and luminosity of colors -Provides deep, long-lasting moisture to the hair -Leaves hair softer, stronger, and brighter blonde How to Use Kérastase Fusio Dose Concentrate Ultraviolet : -Clip the booster onto the concentrate. Twist. Then shake the concentrate to mix. -After washing and rinsing hair, towel dry to remove any excess water. -Begin application of product at the top of hair (near the roots) and apply from mid-length to the ends. -Massage the product into the fibers and repeat until all strands are treated. -Comb through hair. There is no need to wait, the product works instantly. Rinse thoroughly and towel dry.