Give dull, dry strands an instant shot of vitality with this conditioner that hydrates, strengthens, and adds serious shine with every single wash. Living Proof PhD Conditioner, conditions and hydrates for instantly smoother, softer, and shinier hair 3x stronger with one wash* Improves manageability and controls frizz Reduces flyaways and static charge Repairs surface damage for healthier-looking hair Strengthens and detangles strands while helping to prevent the formation of new split ends Reduces the damaging effects from thermal and environmental aggressors *after one use of Perfect hair Day Shampoo + Conditioner vs. untreated