This is how often you should actually change your razor

Only replacing your razor head when it looks a bit grim? Big mistake, says Imy Brighty-Potts

Using a dull razor blade can result in shaving rash and bumps.

Reckon you could get another shave out of your razor? We’ve all done it, wondering how long we can actually use one, as we whip it out again and again.

Well, it may not be worth the risk to your health, according to dermatologist and Dove expert, Dr Cristina Soma. So, how often should you change your razor?