Allergen of the Year is an annual "award" voted upon by the American Contact Dermatitis Society. The purpose of the award is "to draw attention to the agents causing the most significant clinical effects, those that are underrecognized and those that have become obsolete or for which exposure patterns have changed".[1]
Year | Allergen | Description | References |
---|---|---|---|
2024 | Sulfites | Group of compounds used to preserve food and drink products. | [2] |
2023 | Lanolin | Natural wax from sheep's wool, often used in skincare products. | [3] |
2022 | Aluminium | Common metal. | [4] |
2021 | Acetophenone azine | Compound found in EVA foam used in sporting equipment and footwear. | [5][6] |
2020 | Isobornyl acrylate | Used in medical devices for diabetes patients. | [7][8] |
2019 | Parabens (selected as a non-allergen) | "One of the least allergenic preservatives available". | [9][10] |
2018 | Propylene glycol | Used in foods and cosmetics | [11] |
2017 | Alkyl glucoside | – | [12] |
2016 | Cobalt | Metal | [13] |
2015 | Formaldehyde | Preservative | [14] |
2014 | Benzophenones | – | [15][16] |
2013 | Methylisothiazolinone | This chemical is used as a preservative in many cosmetics, lotions, and makeup removers; some of its side effects include flaky or scaly skin, breakouts, redness or itchiness, and moderate to severe swelling in the eye area. | [17] |
2012 | Acrylate | – | [18][19] |
2011 | Dimethyl fumarate | Dimethyl fumarate is the chemical associated with 'poisoned chairs' and 'toxic sandals'. | [20][21] |
2010 | Neomycin | Antibiotic | [22][23] |
2009 | Mixed dialkyl thiourea | Neoprene rubber is a common source. | [24][25] |
2008 | Nickel | Cheap metal | [26][27] |
2007 | Fragrance | – | [28] |
2006 | p-Phenylenediamine | PPD is the hair dye chemical that is used to augment black henna tattoos. It has been shown to cause severe blistering and scarring, and its topical use is banned in some countries. | [29][30] |
2005 | Corticosteroids | – | [31] |
2004 | Cocamidopropyl betaine | in shampoos and soaps | [32][33] |
2003 | Bacitracin | Antibiotic | [34][35] |
2002 | Thimerosal | Well-established antiseptic and antifungal agent. | [36][37] |
2001 | Gold | Precious metal used in jewelry. | [38][39] |
2000 | Disperse blue dye | Dye used to color synthetic textiles. | [40][41] |
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