Read more: http://www.dailymail.co.uk/sciencet...bbing-noise-just-wont-away.html#ixzz1d7y5WYsq'The Hum' has been blamed on many things, but one thing is sure: It is maddening for those who hear it
I reckon I cracked it - it's all these blessed Clarisonics ! :cheeky: