The developers enable the permanent tinting by bringing in and fixing the color pigments in your eyebrow hair!

Depending on the product the mixed emulsions are more liquid or creamy, the percentage in the title tells you how concentrated the hydrogen peroxide H2O2 is: as higher the percentage is, as more intense and longlasting the permant tinting will be...

 

Intensive - Cream Developer 6% The creamy Intensive Developer is perfect for a non-dropping, creamy color mixture and matches all Intensive Eyebrow Colors... (CE00004) 8.50 USD (+ Shipping)

Intensive - Cream Developer 2% The creamy Intensive Developer is perfect for a non-dropping, creamy color mixture and matches all Intensive Eyebrow Colors... (CE00006) 8.50 USD (+ Shipping)

Intensive - Liquid Developer 6% The liquid Intensive developer is the supply for all Intensive eyebrow dyes. Just a few drops and your brows are beautiful for many weeks! (LE00001) 5.00 USD (+ Shipping)

REFECTOCIL - Cream Developer 3% The creamy REFECTOCIL developer matches all REFECTOCIL eyebrow tints, but especially for the REFECTOCIL Bleach Blond... (N23303) 8.50 USD (+ Shipping)

REFECTOCIL - Liquid Developer 3% The liquid REFECTOCIL developer matches all REFECTOCIL eyebrow tints... (N23301) 5.00 USD (+ Shipping)

Combinal - Developer 5% The liquid Combinal developer matches all Combinal eyebrow tints... (6779) 6.50 USD (+ Shipping, Package includes 20 ml
100 ml equivalents 32,50 USD)

ARDELL - Gray Magic Gray Magic is made for every thick, stubborn, curly, gray or rebellious hair, which normally resists a permanent eyebrow dying procedure - it works also there, where other developers alone are lost... (78059) 15.00 USD (+ Shipping)