L'Oréal Professionnel Oxydant is a quality peroxide that's optimised to get the best out of L'Oréal's Majirel, Majirouge or Majiblond Ultra and Majicontrast hair colours. There are3 strengths of Oxydant available: 6% (20 vol), 9% (30 vol) and 12% (40 vol).
