From the luxury of the salon to the comfort of your home Kérastase introduces Fusio-Dose HomeLab personalised hair treatment; offering the instant hair transformation as experienced with Fusio-Dose in a new, take-home kit. Individually prescribed by your hairdresser following a hair diagnosis, Fusio-Dose's results can now be further prolonged until the next salon visit with 4 personalised at-home applications. Contains Resistance 4 single 6ml doses of booster + 4 Single 12ml doses of concentrate + 1 spray