The Perfect Hair Day Double-Clean Performance Set resets hair between washes. PhD Dry Shampoo removes oil and odor, while PhD Advanced Clean Dry Shampoo delivers an even cleaner, just-washed feel. Removes oil, sweat and odor for a truly clean finish Light volume and fresh touch with no white residue Perfect between washes, post-workout or on the go SET CONTENTS: Living Proof Perfect Hair Day Dry Shampoo — 184 mL / 5.5 fl. oz. Living Proof Perfect Hair Day Advanced Clean Dry Shampoo — 184 mL / 5.5 fl. oz. HOW TO USE Shake well. Section hair and spray 6–10 inches from roots. Let sit 30 seconds to activate absorption, then massage/brush out powders. Reapply as needed. Pro tip: apply before bed for overnight refresh.