The Joico Defy Damage Protective Masque is formulated to deeply condition and repair hair compromised by daily styling, heat, and environmental stressors. This intensive treatment works to rebuild broken bonds within the hair structure, resulting in visibly healthier, stronger, and more resilient strands. It smooths the cuticle, drastically reducing breakage and splitting while enhancing shine and softness. Ideal for rejuvenating dry, damaged, or color-treated hair that needs a restorative boost.