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How it works

Colourstart can show whether someone may be allergic to one of the ingredients, called PPD, used in hair colorants. Find here a step by step guide to how to use Colourstart and how Colourstart works.

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Help and advice

Here you can find lots more useful information and advice on who should use Colourstart and how it should be used.

Consumer Users

Hair Professionals

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Consumer Users
You can get Colourstart from your hair or beauty professional.

Hair Professionals
You can register for a Trade Account to buy Colourstart.