Ref Ultimate Repair Mask 250 ml The REF Ultimate Repair hair mask is an irreplaceable step in the hair care ritual. Give your hair a moment of regeneration and your hair will reward you with its vitality and beauty. BENEFITS: <, strong> regenerates hair from root to tip, facilitates detangling and prevents breakage, restores the natural and healthy appearance HOW TO USE: <, strong><, p> Apply to freshly washed and damp hair. Let it take effect for the time specified on the bottle and rinse well.