bumble and bumble bb color stick

Courtesy of company

4 of 5

The waxy consistency works well with thick, dry hair, which can handle a product with a heavier texture. A PSA brought to you by every expert interviewed for this story: If you're using a stick root concealer, do a deep clean before your next color session. These products can leave behind a waxy residue that prevents dye from penetrating the hair shaft, and regular shampoo (especially the gentle stuff for color-treated hair) won't remove the buildup. The day before you hit the salon or color at home, suds up with a clarifying shampoo, suggests Sharon Dorram, owner of Sharon Dorram Color at Sally Hershberger in New York City.

Hair type: Coarse

Bumble and Bumble Bb. Color Stick, $26; BumbleAndBumble.com