Teeny bikinis and your favourite underwear leave little to the imagination as it is, but when you're suffering from a less-than-pleasant beauty situation, it can feel like you're under a microscope. Case in point: that ingrown hair plaguing your bikini line. Jamie Ahn, owner of New York's Acqua Beauty Bar, has seen her fair share of these often waxing-related skin situations. To get Ahn's insight on what causes ingrown hairs, how to prevent them, and how to treat them when you find yourself with one, just keep reading.