In a bowl, add 7.5 mL (1/2 tbsp) cocoa powder (for dark hair). Then, add 15 mL (1 tbsp) baking soda in. Add 15 mL (1 tbsp) of cornstarch. Put in 2-5 drops of lavender oil. Whisk together. Put the mixture in a sealable container. Using a brush, dab the powder along your roots. Massage and blend.
