Our skin undergoes significant changes during a lifetime: from the sensitive skin of a newborn baby, through the teenage years when some are acne-prone, to the fine line and wrinkles of later in life.
The structure of the skin if changing as we age and fine lines and wrinkles develop. As we get older the substances that are responsible for keeping our skin firm decrease. Those substances include collagen, elastin and Hyaluronic Acid.
Causes of skin aging can be divided into two groups:
- internal factors
- external factors start to affect the way skin looks
When we turn the age of 25 we start loosing to level of collagen in our sin. Approximately 1% annual decline in collagen levels, along with an increasingly disorganized dermal tissue arrangement, causes a loss of skin strength and the appearance of wrinkles and fine lines.
Another crucial factor in the formation of fine lines and wrinkles is age-induced dryness. The cause of this process is the decreasing amount of Hyaluronic Acid in the skin.
External factors in skin aging
External factors are environmental factors that cause oxidative stress to skin for example over-exposure to sunlight.
Sun exposure accelerates the development of fine lines and wrinkles more than any other external factor.
The UV radiation that affects our skin is composed of two different types of waves, UVA and UVB (http://www.skincancer.org/prevention/uva-and-uvb). When UV rays hit the skin, they damage its DNA, and cells start to produce melanin in the epidermis to prevent further damage.
Pollution triggers the release of free radicals and accelerates oxidative stress in the skin. Pollution breaks down collagen and oxidizes the lipid layer in the skin, which impairs skin-barrier function.
Oxidative stress is triggered by smoking. Free radicals damage skin’s structure and contribute to general signs of aging including wrinkles.
You should understand that sleep is the time when your body repairs itself. During sleep, your skin’s blood flow increases, and the organ rebuilds its collagen and repairs damage from UV exposure, reducing wrinkles and age spots.
The results of poor sleep for your skin are numerous and significant, including:
- skin that ages faster (https://pubmed.ncbi.nlm.nih.gov/25266053/)
- skin that doesn’t recover as well from environmental stressors like sun exposure
- less satisfaction with your skin quality (https://www.ncbi.nlm.nih.gov/pubmed/25266053)
Healthy diet, pack with vibrant foods loaded with antioxidants, healthy fats, water, and essential nutrients, our body will show its appreciation through its largest organ: our skin. Certain foods are rich in antioxidants and can help to prevent premature aging and slow down skin aging in general.