Tag Archives: how to do a patch test

How to do a 2 part Patch Test – Garnier Olia

A slightly different patch test – I used a different, vibrant colour and also did a hair strand test. The instructions do say to just do a one part skin allergy patch test with the colourant. I would rather use … Continue reading

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How to do a Skin Allergy Patch Test – Clairol

This is a how to do a patch test using both the Colour Blend – Bottle 1 (colourant) and Colour Activating Creme – Bottle 2 (developer) as instructed by Clairol for both UK and USA. A small disclaimer – The … Continue reading

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How to do a Skin Allergy Patch Test – L’Oreal Excellence

The patch test described in the L’Oreal Excellence instructions say to only use the colourant part of the hair dye as it contains the para-phenylenediamine (PPD). A small disclaimer – The photos used are of my arm. At the time I … Continue reading

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