"First of all, if the hair that is being blow dried is clean, it significantly minimizes the spread of germs from the hair and scalp,” advises Caleb Backe, a health and wellness expert for Maple ...

‘Hand dryers throw out a lot of germs ... the rainbow hair is simply a wig. Either way, we’re here for it. Selena still had her usual brunette locks over the weekend (Picture: Jordan Strauss ...