The root of the problem: Oiliness, exacerbated by products with heavy conditioners (like silicones, argan oil and shea butter). Here's how to combat it.
Photo: Marko Metzinger/Studio D
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Remington T Studio Silk Ceramic Blowdryer
A powerful hair dryer with 1,800 watts or more, like the Remington T Studio Silk Ceramic Blowdryer, $35, quickly creates root lift. Flip your head upside down and blow-dry while combing your fingers through your hair.