OECD 439 is specifically designed for the hazard identification of irritant chemicals, biocides, and cosmetics. If your product is a medical device, please refer to ISO 10993-23 for skin irritation testing.

• The test substance is applied directly onto the Reconstructed Human Epidermis (RhE) for 60 minutes at 37°C.
• After exposure, the tissue is rinsed and incubated for 42 hours under standard cell culture conditions.

• If cell viability after 42 hours of post-exposure is ≤ 50%, the tested product is classified as Irritant.
• If cell viability after 42 hours of post-exposure is > 50%, the tested product is classified as Non-Irritant.

Fill in the test request form and place an order via email at info@tecolab-global.com. We will advise on the quantity of sample required for testing.

You can deliver the sample to us via courier and provide us the tracking code. We will monitor the delivery status and inform you when we receive the sample.

Once we have received your sample, we will provide a tracking number to you. You can easily track the status of your request here.

Download your readily available test report online with just a single click using the link and password provided via email notification. We will receive a notification once you have downloaded the test report.

For safety purposes, the uploaded test report will self-destruct after 7 days.