I was out with a friend this week and got some Vaseline out of my bag to put on my lips. “You know that actually makes your lips drier, right?” she said. It’s a myth I’ve heard before, but is it actually true? Vaseline is the brand name for petroleum jelly, a mixture of mineral oils and waxes that’s known for its healing properties. It’s one of the world’s best-known lip balms, so surely it can’t actually make your mouth drier? You’ve been using Vaseline wrong We spoke to Dr. Hana Patel, NHS GP and GP Medico-Legal Expert Witness, who revealed everyone’s been using Vaseline wrong. The product i…