Issues in food allergy and intolerance, coeliac disease, gut disorders, eczema, 'free from' and all allergies and sensitivities
If you have PPD allergy or are looking to color or dye your hair without using PPD you will find that the majority of PPD-free products fall into one of three categories. One exception is the innovative Hairprint system — but…
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When it comes to cosmetic or haircare products, it is the act of colouring the hair, face and body which carries the greatest risk to those with nickel allergy — be it through make-up, fake tan, or hair dye. Given…
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PPD, or paraphenylenediamine, is a chemical used in most permanent hair dyes, especially the darker types. When mixed with an oxidiser (typically hydrogen peroxide) and applied, it penetrates shafts of hair and transforms into an oxidised form whose molecules are…
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Following my recent article on sulfite / sulphite sensitivity, it was pointed out to me that sulfites are also used in cosmetics. Given their role in colour preservation and to prevent oxidation in foods such as dried apricots, it’s not…
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When a hair dye brand recently started advertising its ‘allergy gentle molecule’-containing product, I wondered whether the problem of PPD allergy had finally been solved. PPD (para-phenylenediamine) is a chemical found in a lot of permanent hair dye blends, and…
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