Developers - Basic Hair Color Theory
DEVELOPERS
EcoColors has four different levels of developers:
- DEPOSIT ONLY (10 volume)
No lift or semi-permanent
- REGULAR (20 Volume)
One to two levels of lift
- FAST (30 Volume)
Two to three levels of lift
- EXTRA FAST (40 Volume)
Three or four levels of lift
Developers are oxidizing agents usually hydrogen peroxide, the developer activates the color and may also have a lightening effect on the hair. The ratio for mixing hair color full strength with developer is 1 to 1.