IMPORTANT: HAIR COLOURANTS CAN CAUSE AN ALLERGIC REACTION WHICH IN CERTAIN RARE CASES MAY BE SEVERE.
TO HELP YOU REDUCE THE RISK OF AN ALLERGIC REACTION, IT IS THEREFORE ESSENTIAL TO FOLLOW THE
Do not do a skin allergy test or colour your hair if:
IT IS NECESSARY THAT YOU PERFORM A SKIN ALLERGY TEST 48 HOURS BEFORE EACH USE OF A COLOURANT PRODUCT, AS AN ALLERGY CAN DEVELOP SUDDENLY, EVEN THOUGH YOU HAVE PREVIOUSLY USED THE SAME HAIR COLOURANT OR A COLOURANT OF ANY OTHER BRAND
To carry out the allergy test, always follow the instructions supplied with your hair colourant.
How to carry out a skin allergy test
The way to carry out the skin allergy test may vary from manufacturer to manufacturer, it is therefore important to ensure that you follow precisely the manufacturer’s instructions to carry out the allergy test before colouring your hair.
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