New L'Oréal Professionnel Oxydant [OTT: Odour Trapping Technology] Designed for use with the Majirel family and with Blond Studio Multi-techniques 8 levels powder.
If you are using the NEW Majirel OTT Oxidant with your current Majirel colourant, you must perform an Allergy Alert Test at least 48 hours prior to the colour application.
