- A genius solution that allows you to style and treat in one step. Powered by our patented Healthy Hair Molecule (OFPMA) and our Thickening Molecule (PBAE), Perfect hair Day (PhD) 5-in-1 Styling Treatment: delivers the five benefits for beautiful healthy looking hair in one easy step - smoothness, volume, conditioning, strength and polish; styles and treats without compromising one for the other. Perfect hair Day (PhD) 5-in-1 Styling Treatment is ideal for all hair types. It is silicone-free. Safe and formulated for color and chemically treated hair. On clean, damp hair, evenly distribute PhD styler from roots to ends. Comb through. For best results, blow dry. Tips + tricks: To enhance body and volume, use a round brush when blow drying. To create a smooth, polished style, use a flat brush when blow drying. When air drying, use slightly less product. For added volume, use with Full Root Lifting Spray or Full Thickening Mousse. For extra conditioning and smoothing, pair with No Frizz Leave-In Conditioner.
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