Welcome to Ask Doctor Zac, a weekly column from news.com.au. This week, Dr Zac Turner explains how lip balm could be damaging your lips. QUESTION: Hey Dr Zac, I’m addicted to my lip balm.

QUESTION: Hey Dr Zac, I’m addicted to my lip balm. I apply it at least 10 times a day – before breakfast, after brushing my teeth, before going outside, when I get back indoors, and before bed.

fill my lips in with that shade and then put some lip balm over the top. It’s been hailed as a “make-up must-have” and is “packed with a powerful mix of natural ingredients that lock in ...