Matrix's Artistic Director, Leah Sterk is spilling the tea on how to achieve long-lasting results with our New! Tonal Control Pre-Bonded demi-permanent color, which lasts for up to 24 washes! Tonal control allows for ultimate creative control with its no-drip gel-cream formula that is vegan and ammonia-free, so you can apply with a bottle or a brush. Take a look at our New! Tonal Control Acidic Gel-Cream Toners!