Hair dye reactions

Various permanent and some semi-permanent hair dye products include paraphenylenediamine (PPD). This is considered as a known allergen and irritant and the usual culprit for most cases of hair dye reactions. https://www.youtube.com/watch?v=1npgEO-r-uQ Close look on PPD Hair dyes that include PPD are safe to use if the safety instructions are strictly followed. If the safety […]

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