Here's how your skin changes as you age — and the best products to combat wrinkles, dark undereye circles and more.

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.

When Kobe Harris brought his lip balm business to "Shark Tank," he had been in the business for almost 5 years. Here's how ...