Mouthwash is a bathroom staple in many households, but these minty antimicrobials could do more harm than good—harm that extends beyond people’s pearly whites, according to a new comprehensive study of the risks of mouthwash.
Although the number of ingredients and their concentrations vary among mouthwash brands, scientists have concluded that some ingredients in mouthwash are linked to side effects ranging from minor skin irritation and headaches to life-threatening conditions such as heart problems and cancer.
