ColourB4 Extra Strength removes hair colour at home. Simply comb in, wait (up to 60 minutes) and rinse away and your hair is free of colour without using ammonia or bleach. Contains unique conditioning buffer to strengthen and condition your hair.Warning: Protect clothing, keep out of reach of children, do not mix ColourB4 with other products, do not apply if skin is broken, abraded or irritated, do not use ColourB4 over henna or gradual colour restorers. Everyone should perform a strand test before dyeing their hair, even if they have used the product before, as that ensures they will achieve the right result, never use on eyelashes. Always read the label.