If your skin is looking a little less bouncy than it used to, collagen skincare is a lovely place to start. Applied to the skin, collagen works as a brilliant hydrator, helping your complexion feel softer and look plumper, smoother and more supple. K-beauty has made it a hero ingredient in everything from overnight wrapping masks to jelly serums, often pairing it with peptides, PDRN and hyaluronic acid for that signature bounce. You'll also find innovative vegan and bio-engineered collagen formulas for those who prefer an alternative. Our edit brings together the best collagen masks, serums, creams and toners from the K-beauty world.