BRAND NEW 237ML BOTTLE - VERY FAST POSTAGE The Redken Pro-oxide Cream Developer is a 20 volume 6% solution suitable for all hair types. With its formulation featuring hydrogen peroxide as the active ingredient, this product is designed for unisex use and comes in a convenient 237ml cream form. Perfect for achieving optimal results when used with hair colourants, this developer has a period after opening of 18 months, ensuring freshness and reliability for your hair