[QA1] Cetrimide is an antiseptic agent, meaning it has various antibacterial, antifungal and other antimicrobial properties and can be applied to skin or mucous membranes to avoid or minimize the risk of infection. It is also a surfactant, meaning it functions as a detergent with cleaning properties. As a pharmaceutical ingredient, it is used in various products mainly for topical use in sprays, gels and creams for a range of purposes, including cleaning burns and wounds, for disinfecting skin before injections or surgery, and for treating fungal infections or nappy rash. Dodecyl trimethyl ammonium bromide (approx. 20%), Trimethyl tetradecyl ammonium bromide (approx. 70%), Hexadecyl Trimethyl ammonium bromide (approx. 10%). Approx. 7.5% with ethanol..