Living Proof Perfect Hair Day (PhD) Shampoo. A revolutionary shampoo that lets you wash your way to beautiful, healthy looking hair. Powered by our patented Healthy Hair Molecule (OFPMA), helping you wash your hair less often,making hair look healthier instantly and improves over time
Living Proof Perfect Hair Day (PhD) Conditioner. A weightless conditioner that helps deliver beautiful, healthy hair by improving its appearance over time. It's powered by the brand's patented Healthy Hair Molecule OFPMA, which in this formula does four things: smoothes hair, polishes and protects stands, creates visibly healthier hair over time and helps repair dirt and oil to help keep hair cleaner, longer.