Perfume-free Bleaching Powder Dust free bleaching powder suitable for various bleaching techniques. Lifts up to 7-8 levels. Use with SensiDO Cream Developer to achieve supple and soft consistency, that is easy to apply. Bleaching mixture does not swell or dry out, but remains workable and moist during the application process. Updated consistency helps achieve even clearer bleaching results. Peroxide choice: Can be used with all SensiDO Creme Developer strengths depending on hair darkness and desired end result. Mixing ratio: 1:2 or 1:3. Development time: 10–45 min. Do not use heat to shorten the processing time. Attn! Use Max 6% peroxide for root application. Do not use metal utensils and bowls with the mixture.