You can help your skin “shed” more quickly with either with chemical or mechanical exfoliants, which get the job done in different ways. But unlike a snake shedding its skin, we don’t just crawl out and leave a big long peel behind. Your skin is going to go through cell turnover whether you exfoliate or not, but what ends up happening is the cells are detached from the skin and start to pile up on top of each other. While your skin can handle the cell turnover process just fine on its own–eventually, the new skin cells will push up on their own and the old ones will fall off-there are certain things you can do to make it happen more quickly. And when those plump baby skin cells gets to the top, it’s goodbye to dull skin and hello to a healthy, radiant complexion. As the top guy at the surface dies off, it makes space for the plump guy at the bottom to say ‘my turn,’ and replace him at the top. When these old cells fall off, the new ones rise to the surface to take their place. They become a thickened layer of dead cells, and over time, they slough off. At some point during this process, they lose their nuclei, which means they’re no longer active, living cells. As they mature, they move through the epidermis toward the skin’s surface. New skin cells are born in the deepest layer of your dermis, called the basal layer. (It slows down when you get older, but more on that later). Every cell in your body has a life cycle, and in the case of adult skin cells, that cycle lasts about 28 days. In order to understand why this cell turnover is critical to dealing with these issues-and to overall skin health, in general-let’s kick it back to high-school biology and break things down a bit further. That stagnation can lead to issues such as acne, hyperpigmentation, milia, and uneven texture. If you don’t work on cellular turnover, you get a buildup, and it’s like a traffic jam at the surface of the skin. This process is the holy grail of healthy skin because the process makes skin firmer and gets rid of fine lines and wrinkles more quickly. Cell turnover is the continuous process of shedding dead skin cells and subsequently replacing them with younger cells.
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