Matrix Color Sync Pre-bonded is tone-on-tone hair color enriched with protective Pre-Bonded technology. Protects hair during the coloration process. Even and perfect coverage ensures flawless coloration result. Professional hair color for use only in the hair salon. Silver Lining collection - Suitable for 50-100% grey hair - Shades designed to bring out the multi-dimensionality of grey hair - A palette of shades designed to enhance the beauty of grey hair - Pre-Bonded protective technology protects the hair structure