<ul><li>Upgraded formula, permanently iconic. Matrix SoColor pre-bonded permanent hair colour, now with naturally derived oil and upgraded pre-bonded complex!</li> <li>For 2x softer hair*, up to 2x more shine after one use*, and up to 100% grey coverage! *instrumental test</li> <li>Achieve visibly healthier looking hair with pre-bonded formulas and pattern preservation of all hair types including curls and coils</li> <li>Formulated with an upgraded pre-bonded complex of citric acid and glycine to protect bonds for stronger hair. </li> <li>This formula is pre-bonded & pre-blended with no extra bonding additives needed</li></ul>