The SoColor Sync Alkaline formulas are Pre-bonded, helping to protect the inner hair structure, colour after colour. Pair with SoColor permanent range for seamless results from root to tip.
No ammonia glossing alkaline demi
Up to 50% grey coverage
Vegan formula
Directions: Rinse hair well after application. Wait at least 2 weeks after using a relaxer before applying the hair colour. Do not use if the hair has been coloured wit henna or a progressive hair colourant.