- Read the instructions thoroughly before use. They are provided on the back of the bottle, by peeling the label.
- CONDUCT A SKIN ALLERGY TEST 48 HOURS BEFORE EACH USE OF THIS PRODUCT BY APPLYING A SMALL AMOUNT TO INSIDE OF ELBOW. IF DURING 48 HOURS YOU DO NOT NOTICE ANY SIGNS OF BURNING, SWELLING, REDNESS OR IRRITATION, YOU CAN USE THIS PRODUCT.
- For best results, pre-lighten hair to a light blonde using Bigen Powder Bleach and Bigen 20 Volume Cream Developer.
- Apply directly from bottle to freshly shampooed, towel-dried hair. Comb through to ensure color is completely and evenly saturated.
- Process for 25 minutes at room temperature. No dryer needed.
- Rinse hair in cool water until water runs clear. Do not shampoo!
- Apply Bigen Conditioner and rinse.
- Style as usual.