Kerastase Fusio-Dose Concentre Genesis is a part of the Fusio Dose family of professional hair treatments designed to resolve concerns in weakened hair that is prone to falling due to damage and breaking from brushing. It is enriched with highly concentrated active ingredient Collagen Peptides to instantly strengthen the hair by infusing it with a fortifying dose of goodness to prevent future breakage and to help grow longer, thicker, and softer hair with natural shine. Kerastase Fusio-Dose Concentre Genesis is meant to treat weakened hair as the main concern and must be combined with the Kerastase Fusio Dose booster of your choice that activates the treatment and at the same time addresses a secondary hair concern. The beauty of the Fusio-Dose is that you can create a tailor-made solution based on your hair needs and combine different hair treatments into ONE by mixing the concentrate with different types of boosters to address your hair needs. The freshly fused treatment with an initial dose of goodness will fundamentally treat your hair and immediately transform it for lasting results.