Vitamin C is crucial to every skincare routine. Here's exactly how to use vitamin C serum, when to use it for best results, and how to pair it with other products in your routine.
Many brands don’t use real vitamin C, instead choosing ineffective derivatives. To make sure you have a vitamin C serum that works, here are our key buying tips.
You've heard the promises of vitamin C serums, but do you really know what vitamin C can do for your skin? We're here to explain (and back it up with science).