This is best use in combination of Bremod hair color but it can also use in any other brand of hair color. You have 3 choices of solution number 6, 9, and 12.Containing rare vegetable extract, effective component for hair care and rich in oxygen.-Has a fragrant smell while using together with hair dyeing cream and bleaching powder.-Dye easily-Special hair protecting factors that makes hair luster and shiny.-Convenient to use-Bremod Collage Hydrox is also know as hair developer, best for treated hair (hair coloured, dyed, bleached, rebond.6% for gray hairs and covering of white hairs.9% for rashion hair colors or for changing of hue.12% for blonde colors, to achieve maximum effects, and first time coloring hair.Direction for Use:• Mix the Hair Dye and the Oxidant Cream. The correct proportion is 1:1• Apply evenly to the hair.• Leave the hair depending on the time required in the Hair Color• Rinse thoroughly and then blow dryCaution:This product is for external use only. Avoid Contact with the eyes, If irritation occurs, discontinue use. Store in a cool and dry place.