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How much collagen is lost by 40? The complete guide to protecting and restoring your skin

Starting in your mid-20s, your body's natural collagen production begins to decrease by about 1-1.5% each year. This process accelerates significantly as you approach middle age, leading to noticeable changes in skin elasticity and firmness. Understanding **how much collagen is lost by 40** is the first step toward taking proactive measures to slow the signs of aging and maintain a more youthful appearance.