| Corneometry | |
|---|---|
| Purpose | measure of skin hydration |
Corneometry is a widely practiced method for the measurement of skin hydration. It uses a capacitive sensor to measure the relative permittivity of upper skin layers. Because these depend on hydration of skin, the measured value is a measure for skin hydration.
The name corneometry is derived from the German trademark Corneometer. In 1979 the first commercial instrument for measuring skin hydration was sold under this name.
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