What term describes the reaction caused by touching a product or chemical?

The term that describes the reaction caused by touching a product or chemical is "Contact Dermatitis." This condition occurs when the skin comes into direct contact with an irritant or allergen, leading to inflammation, redness, itching, and sometimes blistering. Contact dermatitis can be classified into two main types: irritant contact dermatitis, which results from exposure to substances that directly damage the skin, and allergic contact dermatitis, which occurs when the skin reacts to a substance to which it has become sensitized.

Understanding contact dermatitis is crucial in medical aesthetics, as many products used in treatments can provoke such reactions in clients, especially if they have sensitive skin or allergies. Identifying and avoiding potential irritants or allergens is important to prevent adverse reactions.

Other terms, while related, do not specifically refer to reactions caused by touching products or chemicals. For instance, atopic dermatitis is a chronic condition often linked to allergens but involves a different underlying mechanism. Allergic dermatitis, while it does involve a hypersensitivity reaction, is a broader category that can encompass responses to airborne allergens or ingested substances as well. Inflammatory dermatitis is a general term referring to inflammation of the skin, which can have many causes and is not limited to contact reactions. Therefore, contact dermatitis is the