Essential Tools for Dyeing Hair at Home

These 6 expert must-haves don't come in the box.

Illustration: Elvis Swift

A brush to apply dye to roots only or create highlights. A synthetic-bristled brush (like Rickycare Standard Tint Brush) works best with liquid formulas; a foam brush, (like Home Depot Economy Two-Inch Flat Foam Brush), works well with foams.

Illustration: Elvis Swift

A glass or ceramic bowl to mix dye if you're using a brush. (Metal bowls can oxidize hair dye.)

Illustration: Elvis Swift

A whisk to mix dye thoroughly and quickly—haircolor is most potent in the first ten minutes after you add the developer.

Illustration: Elvis Swift

A narrow, plastic spatula to separate hair when doing highlights.

Illustration: Thinkstock

Cornstarch to thicken dye and prevent drips (use one tablespoon)— especially helpful for highlights or touching up roots.

Illustration: Thinkstock

A salad oil mister (like the Misto Olive Oil Sprayer) to spritz olive or coconut oil on coarse or curly hair before coloring.

Next: The best way to cover grays—without going to the salon

From the March 2013 issue of O, The Oprah Magazine