Best Collagen for Women Over 30: 11 Top Picks for Skin, Hair & Joints
Somewhere in your early thirties, your skin quietly starts renegotiating its contract. Natural collagen output slips by roughly 1% a year, and you begin to notice the receipts — a softer jawline, a fine line that overstays, nails that split on a whim. I’m a physician, and I field this question weekly: which collagen actually earns…
