Special oxidizer for eyebrows for professional use The professional oxidizer is used in combination with the SCULTPTING BROW gel dye in Blink Pro gel. Usage: In a non-metallic container, mix the dye and oxidant (1:1). Apply the dye mixture evenly to the eyebrows with the applicator. Use a cotton stick to gently remove excess dye around the eyebrows. After 7-10 minutes, rinse with water.