👉 The word "allergens" refers to substances or elements that cause an immune response, such as pollen, dust, molds, and so on. Allergenic substances can lead to various symptoms in individuals with allergies.
👉 Allergens are proteins or polypeptides that are immunogenic, which means they trigger an immune response in people with sensitivities to them. Allergy is a disorder characterized by an abnormal immune response in response to the allergen.