<ul><li> Blended with Bond-Protecting Concentrate to help protect the inner hair structure, colour after colour* </li><li> Formulated to deliver full-bodied, tone-on-tone, blended colour with no ammonia that lasts up to 20 shampoos </li><li> Pre-blended with background and reflect to ensure all underlying pigments and warmth are neutralized </li><li> Pre-Paired with Matrix SoColor Pre-Bonded Permanent Colour range </li><li> Each tube of Matrix SoColor Sync is 90ml meaning on average, there are 2 applications per tube </li><li> Up to 20 minute processing time</li></ul>