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Cellular turnover, also known as the natural replacement process, is the essential process by which skin cells are repeatedly replaced by new ones. This process is vital for preserving healthy and youthful-looking skin, but it becomes less efficient significantly with age. As we get older, the rate at which our skin cells die and are replaced by new ones decreases, leading to a buildup of dead skin cells, premature aging, and an increased risk of skin cancer.

The science behind cellular turnover is complex and involves various cellular processes. In younger skin, the process of cell division and differentiation is quick, with cells dividing and dying off every 28-30 days. This results in a constant turnover of skin cells, which are replaced by new cells that are produced by primary cells in the basal layer of the epidermis. These stem cells differentiate into different types of skin cells, including melanocytes, which exercise different roles in the skin's structure and function.

As we age, the rate of cell division slows down, and the number of stem cells decreases. This results in a reduction in the rate of cellular turnover, leading to a buildup of dead skin cells, which can clog pores and lead to premature aging. In addition, the manufacturing of collagen and elastin, the proteins that give skin its elasticity and strength, also decreases with age, leading to wrinkles, https://omaske.ru/interesnoe/kogda-stoit-obratitsya-k-dermatologu/ fine lines, and age spots.

Research has shown that the reduction in cellular turnover with age is due to a combination of genetic and environmental elements. For example, alterations in the gene that encodes the protein p16, which regulates cell division, can lead to a decrease in cell division and an growth in the number of old skin cells. In addition, exposure to UV radiation from the sun can harm skin cells and lead to DNA mutations that can interrupt the cellular turnover process.

So, what can we do to maintain the rate of cellular turnover and keep our skin looking healthy and youthful? One of the most effective ways to do this is to protect the skin from UV radiation, which can harm skin cells and disrupt the natural cellular turnover routine. This can be obtained by using sunscreen with at least SPF 30, wearing defensive clothing, and seeking shade when the sun is strong. In addition, maintaining a wholesome diet that is rich in antioxidants can help protect skin cells from harm and promote cellular turnover.

It is also possible to boost the rate of cellular turnover through the use of removing treatments, such as alpha-hydroxy acids (AHAs) and beta-hydroxy acids (BHAs). These ingredients can assist break down dead skin cells and promote the growth of new skin cells, resulting in smoother, brighter-looking skin. Finally, evading tobacco smoke and pollution can also assist protect skin cells from harm and encourage cellular turnover.

In conclusion, the science behind cellular turnover is complex and influenced by a mix of genetic and environmental factors. By comprehending the causes of decreased cellular turnover with age, we can take steps to protect the skin and promote the production of new skin cells. By incorporating sunscreen, a healthy diet, and exfoliating treatments into our daily routine, we can help maintain the rate of cellular turnover and keep our skin looking healthy and youthful for years to come.