SoColor Sync is a long-lasting demi-permanent cream toner. SoColor Sync Acidic Toner provides a translucent finish. Pre-Bonded• Our exclusive Bond-Protecting Concentrate protects the inner hair structure – so you can maintain the integrity of the hair, color after color.Pre-Blended • Our formulas are pre-blended with background + reflect so you can neutralize every underlying pigment. Pre-Paired • Our permanent + demi-permanent oxidative dyes are perfectly matched – so you can achieve seamless, root-to-tip color, that lasts and fades on tone.What Else You Need to Know• 100% Pre-Blended oxidative dyes. Ammonia-free. Easy-to-use cream formula.How to use:Virgin Application:• Step 1: Apply formula to base area• Step 2: Immediately apply formula through the mids & endsRetouch Application:• Step 1: Apply formula to base area• Step 2: Process for half the total time, then apply formula through mids & ends as neededToner Application:• Step 1: Apply formula to base area• Step 2: Immediately apply formula through the mids & ends