It may sound as nuts as the aforementioned fruit, but there’s method to this madness. Conventional mouthwashes aren’t as toothsome as you think — a Swedish study found antiseptic mouthwashes can raise blood pressure.
(Related: How To Check If Your Toothpaste Is Effective)
There’s also the suggestion that alcohol-based mouthwashes could be a precursor to mouth cancer, says Dr Mark Hughes of the Harley Street Dental Studio.
But what of coconuts? While it’s easy to be cynical about the hipster’s superfood of choice, the Indian Journal of Dental Research claims that “oil pulling” — a practice with roots in Ayurvedic medicine — is based on science.
The oil absorbs plaque microbes in your mouth, which you spit out when it turns milky. The trouble is, this is invariably a 20-minute job. Our conclusion: better than a kick in the teeth, but not worth the effort.
Instead, try our strategy to Cure Bad Breath In Three Simple Steps.