1. Using a non-metal bowl, mix Colour Royale Bleach with the appropriate Creme Developer using the ratio: 1 part bleaching powder: 2 parts Colour Royale Creme developer (10/20/30/40 dependent on desired tone). Mix well until smooth.
2. Apply to dry, unwashed hair.
3. Develop no longer than 50 minutes. Timing is based on hair level, condition, technique used, temperature of environment, developer strength and the desired degree of lightening.
4. Rinse well and wash with gentle, colour-safe shampoo.
Colour Royale colour products are for professional use only. It is very important to seek professional advice when mixing permanent hair colour creme with peroxide to formulate the right mix and combination of ingredients. Colour Royale contains ingredients that may cause irritation to some people, and thus requires the expertise of a salon professional.
Be sure to conduct a patch test prior to applying this product. Spread product on a 2.5 cm square patch of clean dry skin either behind the ear or on the inner wrist. Leave patch uncovered and untouched for 24 hours. If you experience any adverse reactions such as swelling, stinging, itching, redness or eruptions do not use this product. If no reaction has occurred after 48 hours proceed with use.