How to send your samples to us. 
Instructions for UK participants

IMPORTANT 

Please write 'Freepost STRESS STUDY' on your envelope in uppercase when returning your samples. 

Without this we can't be certain your samples will get back to us.

Simply pop the envelope into a post box. No stamps. No need to visit the post-office.

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Step 1

 

Please add your study ID, the date you took your sample and mark the root end with an arrow. 

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Step 2

 

Please enclose both hair samples in your envelope and make sure your envelope is sealed.

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Step 3

Postage for the return of your samples is prepaid.

 

IMPORTANT please write

 'Freepost STRESS STUDY' on your envelope. Please write 'STRESS STUDY' in uppercase when sending samples back to us. Without this we can't be certain your samples will get back to us.  

Simply pop the envelope into a post box. No stamps. No need to visit the post-office.