Powered by Living Proof's patented Healthy Hair Molecule (OFPMA) and Triple-Action Cleaning Technology, Living Proof Perfect Hair Day (PhD) Dry Shampoo cleans beyond ordinary dry shampoos. It absorbs and removes oil, sweat, and odor, making your hair look, feel, and smell clean. This dry shampoo works on all hair colors because it leaves virtually no visible residue or powdery build-up behind. It features a time-released fragrance for a light, clean scent throughout the day and is safe and formulated for color and chemically treated hair. Ideal for all hair types, this dry shampoo is silicone-free. It is designed to cleanse hair by absorbing oil, sweat, and odor with fast-absorbing powders. The product offers a long-lasting fresh scent and is suitable for treated hair.