Beauty trends come and go faster than you can say “serum,” but collagen continues to hold its own in the wellness world. Whether you’re browsing the supplement aisle or scrolling through your favorite beauty influencer’s page, collagen is everywhere—and for good reason. So, what makes this protein so powerful? And how much do you actually need to see a difference?  What Exactly Is Collagen—and Why Should You Care? Collagen is the most abundant protein in your body. Think of it as the scaffolding that holds everything together—from your skin and bones to your joints, tendons, eyes,...

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