For fixing eyebrows that have become blueish.
How to use:
1. First apply the mustard dye to the eyebrow several times.
2. Afterwards, make a mixture of MUSTARD 1o with ORANGE 10 at a ratio of 70% mustard, 30% orange and apply the mix to the eyebrow until the orange dye is absorbed in the skin,
3. To finish the process, apply pigment 303 (ANTI GRAY from the Boston series) to the eyebrow in order to neutralize the orange dye and make it brown.
4. One treatment may be enough. If needed, repeat the process in the second treatment.