REF - Soft Colour Booster Colour:Booster Blue will revolutionise your brow treatments

will revolutionise your brow treatments

Delivers maximum level of tonal vibrancy with reduced colour fade

stronger and more resilient

Use after Ultimate Repair Shampoo

in black PVC and Polyester fabric

REF - Soft Colour Booster Colour:Booster Blue will revolutionise your brow treatmentsReady, Set, Boost! Soft colour boosters come in shades that match the REF permanent colour boosters. Mix soft colour booster with equal parts REF developer. 6vol 1. 9% result in a semi effect with gradual release for a softer line of demarcation. 10vol 3% result in a demi light permanent effect with slower release & slight line of demarcation How To Apply: To enhance & add intensity with the chosen tone reflex add up to 25% of booster above the total