3. The Role of Aging: Collagen, Elastin, and Slower Repair
Collagen and elastin are critical proteins that provide structure and elasticity to the skin. As we age, the production of collagen decreases by about 1% per year after the age of 20. This decline leads to less elastic skin, which is more prone to damage.
Furthermore, the skin’s ability to repair itself slows with age. The turnover rate of skin cells and the healing process can take twice as long in older adults compared to when they were younger. This slower repair process means that minor injuries can take longer to heal and are more noticeable.
4. Sun Damage and ‘Paper-Thin’ Forearm Skin
Chronic sun exposure is a significant contributor to skin thinning, particularly on the forearms, which are often exposed to sunlight. Ultraviolet (UV) radiation breaks down collagen and elastin fibers, accelerating the thinning process.
This damage manifests as ‘paper-thin’ skin, which is more vulnerable to tears and bruises. The cumulative effect of sun exposure over the years can lead to significant changes in skin texture and resilience.