The wearing process is
In normal skin, it takes about days for cell produced by the basal layer to move through the epidermis to the surface. This water is vital to enable the stratum corneum consists of water. Desquamation tends to slow down as we grow older. Without adequate retained moisture, skin can become dry and unhealthy.
The rate of movement is partly controlled by the rate at which the
Without adequate retained moisture, skin can become dry and unhealthy.
In normal skin, it takes about days for cell produced by the basal layer to move through the epidermis to the surface. Removal of lipids leads the stratum corneum itself to work. Desquamation tends to slow down as we grow older. Throughout persons life, from birth to death, the cells of this layer are continually being worn away and replaced from below with new cells. In skin that has been injured grazed, for instance the process speeds up dramatically.
In the epidermis the spaces between the cells are packed with fats, or lipids, made by the body. The wearing process is called desquamation, and the flattened scales of dead skin are called squames see page 9. Removal of lipids leads the stratum corneum itself to work.
When stratum corneum cells are being lost quickly perhaps after sunburn they are replaced more quickly from below. Removal of lipids leads the stratum corneum itself to work. In normal skin, it takes about days for cell produced by the basal layer to move through the epidermis to the surface. The rate of movement is partly controlled by the rate at which the outer layer is being lost. In any particular part of the body, however, the results of the processes of cell loss and replacement are that the skin tends to remain the same overall thickness.
The rate of movement is partly controlled by the rate at which the outer layer is being lost. This water is vital to enable the stratum corneum consists of water. Each squame is only about micrometre thick but some micrometres across. Artificially removing the outer layers by the cosmetic process of peeling exfoliation also tends to speed up replacement.
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