Transepidermal water loss (TEWL)
Tewameter® TM Hex
Transepidermal water loss (TEWL) is the water that passes through the skin and evaporates from the surface in order for the outer cell layers to remain sufficiently moisturised. It is measured in g/m2/h and can be used to measure skin functionality, in particular barrier function.
Tewameter® TM 330T
Transepidermal water loss (TEWL) is the water that passes through the skin and evaporates from the surface in order for the outer cell layers to remain sufficiently moisturised. It is measured in g/m2/h and can be used to measure skin functionality, in particular barrier function.

Get in touch with Enviroderm
EnviroDerm Services is a Specialist Consultancy and Skin Measuring Equipment Business .
Telephone
UK +44 (0)1386 831777
Telephone
Ireland +353 1 568 6737
info@enviroderm.co.uk