Collagen Benefits for Skin: Complete Evidence Guide
Collagen Benefits for Skin: Complete Evidence Guide | Health & Beauty Authority Collagen Benefits for Skin: The Complete Evidence-Based Guide By Jennifer Park, RD | March 5, 2026 | Supplements Medical Disclaimer: This article is for educational purposes only. Consult a healthcare provider before starting any supplement regimen. Introduction: Why Collagen Matters for Your Skin Collagen is the most abundant protein in your body, making up approximately 30% of your total protein content and 75% of your skin's dry weight [1]. It's the structural foundation that keeps your skin firm, plump, and youthful. However, starting in your mid-20s, collagen production declines by about 1% per year, accelerating to 2% per year after menopause [2]. The global collagen supplement market has exploded, projected to reach $16.7 billion by 2028 [3]. But with so ma...