The average turnover time for skin cells to go from the stratum basale to the surface of the epidermis is about 35 days.

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The turnover time for skin cells is about 35-45 days, with slight variations depending on age and environmental factors. The cells start in the stratum basale and undergo several stages of differentiation before reaching the surface of the epidermis as dead skin cells that eventually shed off.

The Average Turnover Time for Skin Cells to Go from the Stratum