WHAT IT IS Healthy Hair Strengthening Masque is a revitalizing deep conditioning masque that provides strength and volume for limp damaged or weak hair. WHAT IT DOES Bosley Pro Healthy Hair Strengthening Masque contains biotin and vegetable proteins to strengthen while chamomile and jojoba extract help to condition the hair. Strengthening Masque contains LifeXtend complex to help nourish hair and ColorKeeper complex to help prolong and protect color.