Category Archives: L’Oreal

How to do a Patch Test using L’Oreal Excellence from USA

Posted on 26th June 2015 by Charlotte

How to do a Patch Test using L’Oreal Excellence from USA For this skin allergy patch test, I used a box dye which was purchase in the US. The biggest difference is that the patch test in the instructions is … Continue reading →

Posted in 2 part, At home, Hair Dye, L'Oreal, Patch Testing, Permanent, USA | Tagged , , , | 2 Comments

How to do a 2 part Patch Test – L’Oreal Excellence

Posted on 4th June 2015 by Charlotte

This is a how to do a patch test using both the colourant and developer. It is advised by Allergy UK  that if you are using a 2 part hair dye – then you should perform a skin allergy patch … Continue reading →

Posted in At home, Hair Dye, L'Oreal, Patch Testing, Permanent | Tagged , , , , , | Leave a comment

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

Posted on 2nd June 2015 by Charlotte

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 →

Posted in At home, Hair Dye, L'Oreal, Patch Testing, Permanent | Tagged , , , , | Leave a comment