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Colouring grey hair guide

FAQ: How do I do a skin patch test?

It’s always best to do a skin test 48 hours prior to applying the colour. I would normally do it sort of here on the crook of my arm, I would do this every time just to be on the safe side - it is better to be safe than sorry.

You can find all the information you need from the instructions included in the pack and also our colouring grey hair booklet which is available as a PDF online.