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    Glossary Allergens

    substances triggering immune responses in sensitive individuals

    Allergens are substances that can trigger an allergic reaction in some people. These reactions occur because the immune system mistakenly identifies these usually harmless substances, such as pollen, pet dander, or certain foods, as threats and responds by producing antibodies. This can lead to symptoms like sneezing, itching, or more severe reactions such as anaphylaxis.

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    Research 10 of 1000+

    1. Allergens of permanent hair dyes induces epidermal damage, skin barrier loss and IL-1 α increase in epidermal in vitro model Food and chemical toxicology · 2017 · 12 citations
    2. Allergen Content of Best-Selling Ethnic Versus Nonethnic Shampoos, Conditioners, and Styling Products Dermatitis · 2020 · 10 citations
    3. Allergen‐specific immunotherapy improves alopecia totalis in a severe atopic dermatitis patient The Journal of Dermatology · 2023 · 1 citations
    4. New allergens for the 21st century Journal of The American Academy of Dermatology · 2005
    5. Allergens and Irritants WORLD SCIENTIFIC eBooks · 2001
    6. Analysis of Common Treatment Drugs and Allergen Sensitization in Hair Loss Patients Journal of Cosmetic Dermatology · 2025
    7. 253 Protective and cleansing effect of a skin care product against pollen allergen accumulation in the hair follicle 2022
    8. Allergen desensitization reduces the severity of relapsed alopecia areata in dust‐mite allergic patients Experimental Dermatology · 2023 · 9 citations
    9. Allergen of the Month—Witch Hazel Annals of Allergy Asthma & Immunology · 2012
    10. LB892 Assessing the risk of alopecia areata development in patients with seasonal and food allergies: a matched population-level analysis Journal of Investigative Dermatology · 2024
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    Community 7 of 10

    1. allergen of the year award list(2000-2023).most allergens are in every day shampoos and skin care. Reddit · 5 Jan 2023
    2. Low level chronic allergies and hair loss Reddit · 15 Jan 2024
    3. Scalp Itching and Red Spots on Finasteride After 2 Years, Ketoconazole Not Helping Community · 11 Nov 2025
    4. 21M cant stop hairloss at all +2 years on dut/fin Reddit · 16 Oct 2025
    5. Itchy scalp with fin/min - what should i do? Community · 17 Apr 2025
    6. Dutasteride shed Stories, better and worse , dont skip please Reddit · 17 Dec 2024
    7. Can the ingredients in a sebum-regulating shampoo induce hair diameter reduction? Reddit · 13 Oct 2024
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