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Stratum corneum cells, which are the outermost layer of the skin, typically have a lifespan of about 2 to 4 weeks. They undergo a process called desquamation, where they are gradually shed and replaced by new cells from the underlying layers of the epidermis. This turnover is essential for maintaining skin health and barrier function. Factors such as age, skin condition, and environmental exposure can influence the lifespan and turnover rate of these cells.

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1d ago

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How long does it take a cell to move from the stratum germinativum to the stratum corneum?

It takes anywhere from 15 to 30 days for cells to migrate from the stratum germinativum to the stratum corneum.


If you take a long nice bath and you notice your skin is starting to look weird and wrinkly what is happening to your skin cells?

When you soak in a long bath, your skin absorbs water, causing the outer layer (the stratum corneum) to swell. This swelling leads to the skin's surface becoming wrinkled and less taut, giving it a "pruney" appearance. This phenomenon is a temporary response to prolonged exposure to water, and once you dry off, your skin will return to its normal texture as it loses the excess moisture.


What causes skin to wrinkle after a long bath?

Because the Keratin in our hands & feet absorbs the water & produces swelling. As a result, the excess amount of Stratum Corneum in the skin produces wrinkles. The hands & feet are the only places this occurs because the skin is thicker on the hands & feet than anywhere else on the body.


Is stratum singular?

Yes. The plural is strata (both are pronounced with a long "a", as Straytum, or Strayta).


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Why do you look like a prune after a long bath?

After a long bath, your skin may look wrinkled or shriveled, similar to a prune, due to the absorption of water. When skin is submerged for an extended period, the outer layer, called the stratum corneum, absorbs water and expands. This expansion causes the skin to lose its smooth appearance and form wrinkles. This reaction is thought to be an evolutionary response that enhances grip in wet conditions.


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