Living Proof Perfect hair Day (PhD) PhD Conditioner 33.8oz Pro Size

A revolutionary weightlessly nourishing conditioner that lets you condition your way to beautiful, healthy hair, powered by our patented Healthy Hair Molecule (OFPMA), which:

  • delivers the five benefits for a perfect hair day - smoothness, volume, conditioning, strength and polish
  • helps you wash your hair less often
  • improves hair health instantly and gets better over time 

For all hair types. Sulfate-free, silicone-free and oil-free. Safe and formulated for color and chemically treated hair.