Test 4: Oral Care – The same bacteria-fighting qualities that make ACV a suitable alternative to deodorants also make it the ideal candidate to ban mouth funk. Yup, rumor has it ACV can be used to freshen your breath and whiten your teeth. To say that I’m a skeptic of this claim would be putting it mildly; however, I will do it in the name of LOLA (and because I have no plans for the weekend). I’m just going to be honest. This was a whole heap of NO for me. Until this week, I always thought that there was no greater tragedy to one’s taste buds than orange juice after brushing your teeth. WRONG. After brushing my teeth, and scraping my tongue, I gargled about a teaspoon of ACV…big mistake. I immediately needed to brush my teeth again.