Cypress Antigen is a specialized substance derived from cypress tree pollen used in allergy testing and diagnosis. Cypress pollen is a common allergen that can cause allergic reactions, especially during the spring and fall seasons. The Cypress Antigen is extracted and purified from cypress tree pollen and is utilized to identify individuals who are allergic to cypress pollen. It is commonly used in skin prick tests or blood tests to determine allergic responses. By measuring specific antibodies in the blood or conducting skin prick tests, healthcare professionals can accurately diagnose cypress pollen allergies and provide appropriate management and treatment plans.