TEWL Probe
When you need to know the water evaporation rate
Transepidermal water loss
The TEWL Probe measures the transepidermal water loss, which is the evaporation rate of water through the outer layer of your skin, epidermis.
Transepidermal water loss is a crucial parameter for the assessment of the skin barrier function, and it can contribute to a variety of dry skin conditions.
This measurement provides key information about the skin condition and skin barrier function and can be used to assess the need for certain treatments and to evaluate on the effectiveness of a treatment.
Get accurate measurements of high scientific standard
The open chamber design maintains the free natural evaporation from the surface without interfering with the environment over the measurement area. This ensures unbiased and super-accurate readings.
Inside the measurement head, the sensors are protected to eliminate variation caused by air currents and direct incident light, which are problems usually associated with the open chamber method. In contrast to many other TEWL probes on the market, our probe does not require a protected environment – measurements may be performed in normal laboratory environments.
The TEWL probe is available for both the DermaLab Combo and DermaLab Single.
Software interface
View your TEWL measurements in the software interface. You can change the names of the measurements.
Specifications
Principle: | Relative humidity and temperature sensors centered in open chamber |
Range: | 0 – 250 g/m²/h, resolution: 0.1 g/m²/h |
Display: | Continuous real-time readout of TEWL |
Stop criterias: | Standard deviation, Time, Slope target |
Practical applications of the TEWL Probe
Below are some examples of how the TEWL probe is applied in practice.
Measuring the effect of mineral oil-based moisturizers on skin barrier function
Case study: ”Investigating the Impact of Mineral Oil-Based Moisturizers on Skin Barrier Function”, published in Asian Journal of Pharmacy and Pharmacology.
This study aimed to evaluate the effect of mineral oil in various moisturizers on normal skin’s barrier function, focusing on hydration and transepidermal water loss (TEWL).
Download the case study
More about the TEWL Probe
TEWL Probe software
VIDEO: Watch demo of the TEWL Probe
TEWL
20 TEWL X probe protectors.
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Globaldistributors
Global to local
We have distributors all around the world to ensure optimal distribution of our instruments.
If your country does not have a local distributor, you are welcome to contact us directly.
