Fusio-Dose is Kérastase’s iconic, in-salon customized hair care treatment. Fusio-Dose launched back in 2011 and has been pushed to the next level in 2022, with the addition of concentrated skincare actives.

With up to 30 unique combinations, NEW Fusio Dose in-salon treatments instantly transform your hair. Composed of two parts, a concentre and a booster, Fusio Dose treatments are performed by trained Kerastase stylists to help you address your main hair concerns and are formulated based on your hair goals.