Living Proof Perfect hair Day (PhD) High-Shine Gloss Hair Treatment

This high-shine gloss is powered by our Light Enhancing Technology that converts non-visible shine to visible light. For brilliant shine that lasts through 3 washes.* Unlike most hair glosses that coat your hair with heavy silicone, our lightweight formula is silicone-free, leaving no residue behind. *Laboratory testing vs. Untreated.