Antibacterial hand soap Dettol 250 ml. Dettol soap is an antibacterial hand soap that prevents infections by washing your hands frequently. Suitable for hand disinfection in the home. Eliminates bacteria and viruses. Antibacterial hand soap Dettol antiseptic for external use. Dettol antibacterial hand soap contains benzoalconio chloride 0.13% with moisturizing agents such as aloe vera and milk proteins.