Discover Matrix SoColour Beauty with this 1 tube solution to permanent hair colour that features a growing palettes of shades with outstanding grey coverage. Patented Cera-Oil complex ensures every tube has 35% conditioning ingredients that lock in colour and smooth the hair, delivering long lasting colour results with a brilliant shine. SoColor is the first color line that offers Cera-Oil conditioning complex that remains in the hair for up to 30 shampoos - constantly strengthening hair even in between touch-ups. SoColor is not only cares for hair during touch ups, but in between as well!