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allergen of the year
Allergen of the Year in 2014
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The American Contact Dermatitis Society
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Steve Dolson
September 4, 2018
The Allergen Hiding in Your Hair Dye
After fragrances and preservatives, paraphenelyendiamine (PPD) is the substance most likely to cause an allergic reaction. So, what is it? PPD is a chemical often
[…]
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