Breathe life into fine hair with the kerastase cristalliste fine hair duo the ultra foaming cleansing formula of the shampoo washes away impurities and smoothes the hair without weighing it down while the conditioner is enriched with aloe vera as well as a liquid light complex which leaves hair looking shiny and luminous ed kerastase cristalliste fine hair duo perfect for adding shine to fine hair ultra foaming formula smoothes hair without weighing it down liquid light complex