KeraCare Intensive Restorative Masque is the ultimate treatment for weak and damaged hair. Benefits:It actually fortifies hair so that it is 42% stronger! A specialized blend of fruit extracts work to enhance elasticity, helping the hair withstand styling without incurring further damage. Fortifies hair so that it is 42% stronger When to use:Use as a deep conditioner for weak and damaged hair. Use to repair hair that has been damaged from frequent heat styling, chemical treatments or stressful styling practices. Use to strengthen hair. For weak and damaged hair