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How to sample hair for stress hormone analysis

Home > BioAssay Lab  > METHODOLOGY > How to sample hair for stress hormone analysis

In this guide, you will find the necessary information on the tools and methods used to collect hair samples.

The recommended hair length is 3cm, where each cm represents 1 month of hair growth.

Warning : Recent data shows that below the optimum sample size of 25 mg, the hair cortisol concentration is slightly inflated. Samples smaller than this can be analyzed at the researchers own risk but accuracy of the results cannot be guaranteed by the lab.


Download Instructions to collect hair samples [PDF file]
 Download the hair collection card [PDF file]