Why your skin wrinkles and how to fix it
Fighting against Skin Aging
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Sunlight breaks down your skin’s support fibers, making it saggy and wrinkly. Your skin also gets older from inside, and sugar in your body sticks to fibers, making them stiff. A cream called tretinoin can help by stopping the breakdown and making skin thicker.
Surprising Findings
UV exposure thickens the epidermis (outer skin layer), contrary to intrinsic aging which thins it.
People assume aging always makes skin thinner, but sun damage causes the surface to thicken abnormally—leading to rough, leathery texture instead of fine lines alone.
Practical Takeaways
Wear broad-spectrum SPF 30+ daily—even on cloudy days—and consider a prescription tretinoin cream (0.025%–0.1%) under dermatologist guidance.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Sunlight breaks down your skin’s support fibers, making it saggy and wrinkly. Your skin also gets older from inside, and sugar in your body sticks to fibers, making them stiff. A cream called tretinoin can help by stopping the breakdown and making skin thicker.
Surprising Findings
UV exposure thickens the epidermis (outer skin layer), contrary to intrinsic aging which thins it.
People assume aging always makes skin thinner, but sun damage causes the surface to thicken abnormally—leading to rough, leathery texture instead of fine lines alone.
Practical Takeaways
Wear broad-spectrum SPF 30+ daily—even on cloudy days—and consider a prescription tretinoin cream (0.025%–0.1%) under dermatologist guidance.
Publication
Journal
Cell Transplantation
Year
2018
Authors
Shou-bing Zhang, E. Duan