Subrina Professional CremeOxyd oxidizing cream lotion is a key ingredient when using hair dye or hair lightening products. It is designed to work in conjunction with the dye or lightener to activate the chemical reaction that produces the desired transformation of the hair. The strength of the oxidizer (usually measured in volumes) can influence the level of lift or deposit of color. It is important to follow the specific instructions for the dye or lightening product used to achieve the best results.