De-contaminant is a term used to describe a substance or product that helps to remove harmful contaminants from surfaces, objects, or living organisms. There are several synonyms that can be used to describe similar substances or products, such as cleanser, sterilizer, disinfectant, purifier, sanitizer, and detoxifier. Cleansers are products that are specifically designed to remove dirt or grime from surfaces or objects, while sterilizers and disinfectants are products that help to kill harmful bacteria or other microorganisms. Purifiers are substances that cleanse air or water, while sanitizers and detoxifiers are products that help to remove harmful substances from the body or living organisms.