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TEWL

Transepidermal water loss / barrier

Normal passive water loss through the skin due to diffusion is called transepidermal water loss (TEWL) and reflects how the skin works as a barrier. The efficacy of products having an impact on the skin barrier can be quantified using TEWL measurements. The Tewameter® TM300 (Courage + Khazaka GmbH) which we use calculates the water vapour gradient across a specific area of skin. Comparison with an untreated control area allows you to make claims regarding the efficacy of your product.

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1+1?*

You can find details about what personal data we store and who has access to it in our data protection policy.

I consent to my personal data being stored and processed in line with the data protection policy and I consent my personal data being processed by Dermatest GmbH in order to answer my contact or information request.

I can withdraw my consent at any time with immediate effect.*

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