Oxydant is a creamy liquid which makes the dye activated. One of the most important elements of hair dyeing is choosing the right oxidant. Improper handling will make the choice of oxidants, may have unintended consequences. For this reason, you should choose your oxidant as carefully and carefully as your choice of paint. Be careful to use the same brand of oxidant as the paint you choose. You can easily choose the oxidant suitable for the process you will apply from the table below. 10 vol. Oxidant: To darken hair color - 20 vol. Oxidant: White coverage - For lightening the hair by 1-2 tones and dyeing the hair to the same tone - 30 vol. Oxidant: To lighten the hair up to 2-3 tones - 40 vol. Oxidant: It should be preferred for lightening the hair by 3-4 tones and for highlighting and balayage applications. It is suitable for professional use.