When you wash at a temperature below 60°C, bacteria can survive and can be transmitted between garments in the wash. Dettol Antibacterial Laundry Cleanser is an additive that kills 99.9% of bacteria, even below 20°C so that you can be confident that your laundry is hygienically clean every time, whatever temperature you wash at (Proven to work in rinse cycle temperatures as low as 15°C). Just add it to your normal washing routine after adding your detergent. Ideal for towels, children's clothes, underwear, socks, bedding and more.