Allergy The reaction of the body to certain chemicals that it sees as a threat to health. It is a permanent condition.Related Articles: Nail UV Gel Dust Allergies: Is It Possible to React to One Product and Not AnotherBusting the Acrylic Nail Powder Myth: The Truth You Need to KnowNail Technicians: Allergic Dermatitis from Nail ProductsHow to Handle a Snapped Acrylic Nail: Repair TipsGlobal Nail Education Seminars and Online Resources