Effective formula: Contains very little ammonia and is fortified with collagen that penetrates into the folds of the hair during the colored process, to treat damaged hair from the inside out
The collagen serum nourishes the hair and makes it more silky
How to use Color pulling system: Mix an amount of hair bleaching cream in a non-metallic container with a double amount of oxidizing cream and collagen serum, then mix well
Divide the hair into four sections. Four sections. Apply the product t..