Everyone knows that going to bed with your make-up on is the number one deadly skin sin, so washing your face is essential last thing at night.

But did you know that double cleansing could be even more effective when it comes to caring for your skin?

Dr. Catharine Denning, dermatologist ambassador for Japanese skincare brand Curél, says that we should all be using the two-step approach every night – but that doesn’t mean just using the same face wash twice.

Here, Denning explains everything you need to know about double cleansing…