How to color your hair at home with Olia oil powered permanent haircolor. Follow these steps for a fail-proof color application: 1. Prep — Start with an allergy test 48-hours before application. When ready to apply, put on gloves, pour all of the Developer Cream and Colorant Cream into the bottle, break off the tip of the bottle, and shake to mix. 2. Apply —Apply color to dry, unwashed hair. Apply directly to roots, then work from root to tip and massage color into hair. Leave on for 30 minutes. 3. Rinse — Before rinsing, massage hair. Then, rinse until water runs clear. Finish by applying conditioner, leaving on for 2 minutes and rinsing.

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