Step 3 in rehydrating your dry hair sebastian professional hydre treatment is an supremely nourishing and enriching masque that will bring your hair back to life with its intense formula leaving it full of body and with a silky soft finish put the moisture back into your dry frizzy unruly hair with sebastian professional hydre treatment quenching your hairs thirst it works to rejuvenate and replenish leaving your hair more manageable and with improved health and shine directions of use