Hypoallergenic
Hypoallergenic
Hypoallergenic (pronounced: hi-po-al-er-jen-ik) is a term often used to describe substances that are less likely to cause an allergic reaction. The term was first used in the 1950s and is derived from the Greek words 'hypo' meaning 'under' or 'less than normal' and 'allergenic' meaning 'causing allergies'.
Definition
Hypoallergenic substances are those that are less likely to provoke an allergic reaction. This term is often used in the context of cosmetics, textiles, pets, and food. However, it's important to note that hypoallergenic does not mean allergy-free, as even hypoallergenic products can cause allergic reactions in some individuals.
Related Terms
- Allergen: A substance that causes an allergic reaction.
- Allergy: A reaction by the body's immune system to a substance that does not typically cause harm.
- Antigen: A substance that triggers an immune response, especially the production of antibodies.
- Immunoglobulin E (IgE): A type of antibody that is associated with allergic reactions.
- Dermatitis: Inflammation of the skin, often caused by an allergen or irritant.
- Histamine: A compound released by cells in response to injury and allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
Etymology
The term hypoallergenic was first used in a cosmetics campaign in 1953. It is derived from the Greek prefix 'hypo', which means 'under' or 'less than normal', and 'allergenic', which means 'causing allergies'. The term was coined to describe products that were formulated to reduce the risk of allergic reactions.
Pronunciation
The term hypoallergenic is pronounced as hi-po-al-er-jen-ik.
External links
- Medical encyclopedia article on Hypoallergenic
- Wikipedia's article - Hypoallergenic
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