Tag - how to do a patch test

How to do a 48h Patch Test Before Colouring

Aromaganic2025-07-23T14:31:49+10:00

How to do a 48h Patch Test Before Colouring Before you colour, there’s one essential step you should never skip: the 48-hour patch test. It’s the most effective way to ensure your scalp and skin are not reactive to the colour formula — even if you’ve coloured before. Here’s how to do it, in just four simple steps:

Step 1 – Measure & Mix

Start by preparing a small amount of product: Pour 2 ml of the Colour Crème into a clean...