Ultimate 20 Vol. Is a special oil-based developer designed and adjusted for use with Revlon Professional Magnet Blond products. Provides an easy-to-use, precision rinse, an essential part of any bleaching technique. 6% oil-based formula (20 vol.). For an excellent lightening and maximum care of the quality of the hair in any type of discoloration. How to use: Use in combination with Revlon Professional Magnet Blond products. Format: 900 ml
