Orange TKO concentrated household cleaner, 100% Orangic and natural made from Organic orange peels. This non-carcinogenic, non-toxic cleaner removes permanent marker from plastic surfaces. It contains d'limonene. According to physicians d'limonene offers hope in the fight against cancer. Scientific data indicates that monoterpenes (d'limonene being one) will be in a position to take a strong roll on the war on cancer...