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. While lightening the hair by 1-2 tones, dyeing the hair with . It can be used to lighten up to 3-4 tones with number 12 dyes.