Matrix SoColor Sync Pre-Bonded Alkaline Toner Full-Bodied, 90 ml, Permanent Hair Dye for Women. The Matrix SoColor Sync Pre-Bonded hair dye gives your hair intense colour and radiant shine. Characteristics: colour stays beautiful and rich, adds shine to matte hair, balances colours. Ingredients: vegan product. How to use: Use according to the instructions included.