The Tewitro^® TW 24 is the only device to measure the water evaporation from cultured tissue in microwell plates in up to 24 wells simultaneously with the worldwide most used open chamber measurement of the Tewameter^®.
Indispensable tool for safety, sensitivity and efficacy measurements to avoid using animals or volunteers.
Whenever the barrier is damaged, the evaporation rate will increase immediately. Also for claims related to barrier improvement/enhancing, tests on cultured cells are needed, as products meant to keep the barrier intact or to even improve it, can be detected by a stable Transepidermal Water Loss (TEWL).

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