Living Proof Perfect Hair Day (PhD) Shampoo

A revolutionary shampoo that lets you wash 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, oil-free. Safe for color and chemically treated hair.