Back to Basics Nutrition & Dietary Shoppe - Can't find disinfectant spray or sanitizing wipes? Make your own. Use diluted food grade hydrogen peroxide (yes we carry it!) to spray on hard
Peroxide Test Strips for 30-35% Concentrated Hydrogen Peroxide Dilution; 100 Strips/Vial, Indigo Brand.
Developer Dilution Chart | Hair science, Hair color formulas, Hair color techniques