Woman with wet hair in the shower

Photo: Thinkstock

3 of 26
Don't Apply Products to Sopping-Wet Hair
If you want to get the most out of your favorite mousse, shine spray, or gel, use it when your hair is damp or dry, says Mara Roszak, a Tresemmé celebrity stylist. "Wet hair is less porous, so it's harder for styling ingredients to attach to the strands," says Roszak.