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.I apply ...

Lip skin is thin, so it needs a little extra protection, said Dr. Heather Rogers, a dermatologist in Seattle. And lip balm is one of the best and most convenient products to add that layer of armor.