This white bleaching powder can be used with oxygenated water or with oxidizing cream. Characteristics: The FarmaVita bleaching powder allows a lightening of 6 tones according to the desired background. It respects the hair substance and guarantees a regular lightening. Warning: In case of contact with the eyes rinse immediately and carefully with cold water and seek medical help. Wear gloves when applying the techniques. The bleaching powder must be stored away from heat and light. Preparation and application: This product is applied to dry, unwashed hair. Hair strand protection: with aluminium foil, cellophane or dyeing paper. Free hair strands: with a board, comb or brush: 500 gr.