I know that many of you, my dear readers, understand the importance of nutrients in skincare. Vitamin A (retinol), vitamin B₃ (niacinamide) or vitamin K (phytonadione) – all of them play a key role in keeping skin healthy and clear. But what about vitamin C? Is it equally important? I’m sure you have some knowledge on vitamin C. If I asked you to give me your associations, you’d probably say[…]