As part of a new S! TV series, we'll be finding out the answers to some of our viewers' most pressing beauty questions, with the help of make-up artist Stephan Ulvund Øien from IsaDora Global. 

When choosing concealer it can be hard to know what shade to go for, especially if you're looking for a product to highlight and correct at the same time.

In this new video, Stephan gives us some expert tips for choosing and applying concealer for a truly flawless finish.