CoverAll 20 Volume developer neutralizes the damaging ammonia (found in all permanent color). It prevents color fading and hair damage, reduces scalp staining and eliminates brassiness.
- Advanced developer technology
- No damage during coloring process
- 30% less fading, color retention up to 6 weeks
- Maximum grey coverage
- Minimize scalp and hairline staining
- Neutralizes ammonia in any color brand
- Gel Consistency - easy & smooth
- Built in color extender