Groupon | Groupon Intolerance Test | TMI Testing

Groupon – Redeem now


How to redeem your Groupon coupon:

  1. Add your chosen product to the basket from this page only. Items selected from any other part of this website will not work with your Groupon code.
  2. Go to the checkout.
  3. Enter or copy your exact coupon code into the coupon field without any additional spaces.
  4. Checkout by entering your details and without making a payment.


Don’t forget! Download, fill in and send us your Submission Form with your hair sample (instructions are in the confirmation email).

Select your Groupon purchased item here


You must select one of the Groupon Exclusive products on this page only.

Please note, it can take 14 – 21 days for your sample results to be emailed to you once you have posted your submission form and hair sample(s) to us.

You will receive an email notification once your sample is received at our lab for testing, this means you will be receiving your results within 72 hours by email.

Please ensure to check your junk email as sometimes our result emails can be placed there.

Please allow for your results to be delivered before you send your Groupon feedback.