Pro Definer - London Brow Mapping pen with a fine tip to map out your brows during your brow shaping treatment. This is a must have for all brow tech perfectionists. Use this handy, no mess pen, in your brow shaping, henna brow, microblading or SPMU mapping treatments. Colour : White Medical Grade and safe to use on skin Easy to remove, just remove with London Brow Pre Wax Miscelar water