SoColor Sync Pre-Bonded Acidic Toners are part of the SoColor Sync Pre-Bonded system, offering clients a vegan, demi-permanent hair coloring solution. These toners are designed to provide multi-dimensional color results with high shine and exceptional conditioning. The Acidic Toners stand out for their deposit-only color application and offer a range of benefits, making them an excellent choice for various hair services.