Keira Knightley once admitted in an interview with magazine Elle that she has a terrible bathroom habit when it comes to dealing with her problem skin. The actress said “”I get a load of zits, and I’m always squeezing them in the bathroom mirror.” Tsk, tsk. This is bad news for troubled skin and can cause bruising and scarring.

Keira also went on to say that squeezing is one of those things that almost everybody does but none of us should.