L’Oréal Paris Préférence Ultra Platinum Bleach provides up to 9-levels of lift, with the most advanced technology of extreme lighting performance. A formula that lifts up to 9 levels for a pure platinum blonde, even on brown hair. Comes with a new nourishing conditioner which strengthens hair and reduces breakage. Hair is 5 times stronger**. The conditioner is enriched with cool purple pigments to help protect against brassiness. **Instrumental test