Perfect Hair Day (PHD)

Our genius breakthrough for beautiful, healthy hair, every day

After using just once I loved how my hair looked and felt I was instantly hooked...It even looked great for the next day or two with just a little refreshing. Yet again another amazing product from Living Proof!" - Debby

the collection

When the complete Perfect Hair Day line is used together as a regimen, hair stays cleaner, longer and looks and feels, well, perfect.

Perfect Hair Days are Here

Can you bottle endless good hair days? We just did. PHD technology delivers all five benefits you need for beautiful, healthy hair– smoothness, volume, conditioning, strength and polish.

No retouching.
Just Living Proof.

PHD transforms your hair to its optimal condition and
promotes stronger, healthier and more manageable hair. The results are instant and get better over time.

before and after using perfect hair day

How We Make Your Perfect Hair Day Possible

PHD is a breakthrough, routine-changing solution for beautiful, healthy hair. It styles and treats without compromising one for the other. And it repels dirt and oil, so hair feels cleaner, longer allowing you to shampoo less often.

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The science behind Perfect Hair Day (PHD)

Our Volumizing Molecule (PBAE) creates a micropattern of thickening dots on every hair strand to give your style touchable body, bounce and volume that lasts 48 hours.


Our Healthy Hair Molecule (OFPMA) creates a weightless, invisible shield that smoothes each strand. In PHD, this shield is specially formulated to increase and maintain hair health for strength and shine. 


See how OFPMA and PBAE protect and volumize your hair