Allergen 12 January 2021A chemical that mobilises the immune system in the human body as it is a threat to the health of the body. Individuals have different levels of when a chemical becomes an allergen. Related Articles: How Nail Products Use Science to Reduce Allergies and Enhance BeautyUV/LED Nail Lamps: Understanding Client Sensitivities and ReactionsThe Truth About Acetone: Essential, Efficient, and Often MisunderstoodWhy Nail Professionals Should Focus on the HyponychiumUnderstanding Formaldehyde Levels in Nail Salons