Can hair collected from a hairbrush?
) No, do not suggest that we, a sample of hair from a brush or other source (pillow, clothes, since the sample may be contaminated and there is no guarantee that the hair of the person tested. It has also failed to destroy the legal validity of test results proper chain of custody is not established. If test results are for informational purposes only, not intended for use by law (for eg parents) to test their child. and further, that the above risks are acceptable to the hair a hair brush, can, as long as the sample quantity and length, will be tested as sufficient in the test instructions. It must be clear that the lab may reject a sample of hair, if not collected and prepared in accordance with test instructions. No refunds will be available only if the laboratory rejects the sample .