Densive denture cleanser with it’s unique color changing technology for clean, stain free, odor free dentures. DENSIVE denture cleanser, cleans denture in less than 10 mins with visible color change. Place the denture with a tablet of Densive denture cleanser in water. Oxygen bubbles released kills germs, removes stains & odours. When the water colour changes from light green to blue, your denture is ready to use. Safe for long term use and does not harm denture.