100% grey coverage doesn't come easier than with our best-selling Blending Brush. Professionally formulated to effortlessly blend away unwanted roots and paint away grey regrowth on dark blonde, this root brush is the secret to stretching time between salon and home colouring sessions. Designed with a tapered head for precise coverage, simply pump, brush and blow-dry in for natural-looking results that last up to 3 washes
What Josh formulated this for....A long lasting, wet application root touch up to cover regrowth in between colouring.