... . 2012 NEW formula;2. With nice flavor;3. Can produce developer according to different usage habit in the world.4. No damage ... to hair;5. The developer can be in 1.5% 3%, 6%, 9%, 12 ... , 20vol, 30vol, 40vol) ,depending on different usages.6. Welcome to order developer in 500 ml, 1L, 5L, 20L, 50L, 100L.Agent wanted ...