Collagen: it’s the skincare buzzword of today. Adverts, magazines, product descriptions - they all sing the praises of this magical ingredient, declaring it as the standout cause for incredible skincare transformations. But as we’re drawn in by these glowing results, there’s a lot of misunderstanding about the process that makes them happen. What is collagen? And how does it work? Get clued up about this skincare secret with these five facts, and learn how you can adjust your routine for the most effective results.