Colourstart Passport is an online app that records your Patch Test results. If you don’t experience a reaction to the Test you’ll get a green ‘OK to colour hair’ Passport:
This will be accepted by any participating Salon instead of a standard test.
And – provided your health status doesn’t change, your Passport stays green for your next colour appointment, and each one after that (subject to your Salon’s retesting protocols).
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