If you feel like it's impossible to get your hair really clean after using dry shampoo, try this little trick from stylist Peter Gray: Massage a few drops of a liquid clarifying shampoo (like this one from Neutrogena, $6) into dry strands before you shower and lather up. Also, limit dry shampoo to one to two applications between washings, says N.Y.C. stylist Kattia Solano. Any more and "you'll get a buildup of oil and powder."
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