How Does Skin Regenerate?
Skin Regeneration Facts
The human skin is the largest organ of the body. It has the amazing ability to constantly regenerate itself. The skin consists of two main layers, the dermis--deep layer--and the epidermis--the surface layer. There are other smaller layers of skin located within these two sections. Specifically, the stratum basale and stratum spinosum layers of the epidermis are responsible for skin regeneration. Skin cells are being born all the time and are rising into the epidermal layers of the skin. Young skin regenerates its surface area every two to three weeks on the epidermal layer.
Aging Skin Regeneration
As we age, however, the cell turnover rate begins to slow down, although it never completely stops. Direct sunlight is a significant reason for this slowdown in skin regeneration for two reasons. One reason is that collagen production is lessened. Collagen is what gives skin its elasticity. Loss of collagen results in making the skin thinner and not as resilient. This causes skin cells to become disorganized and malformed. That is why it is so important to keep sun exposure to a minimum at any age.
The hot sun also dries the skin, slowing the regeneration process. Moisture is also a key factor. As we age, our skin loses its elasticity and if it is not hydrated all the time, it will lose its nice texture. Wrinkles and fine lines will begin long before we want them to if we do not hydrate well at all ages. If you keep the outer epidermal layer of skin smoother and hydrated, your skin will have a younger appearance for many years.
Pollutants Deter Skin Regeneration
Another cause of slowed skin regeneration is pollution and other environmental hazards. As we age, the thinning epidermis allows harmful toxins to reach further into the dermis. This damages skin from the inside and outside. In order to promote proper skin regeneration, it is highly recommended that you avoid areas that are heavily polluted.
When Skin Regeneration is Not Possible
It is important to note that if the epidermis and dermis are removed or destroyed in a specific area, skin cannot grow back there. This might happen in a severe burn or sometimes during surgery. Doctors can many times graft skin from another section of your body to cover the loss, but new skin will not grow back.
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