Whether a prescription is required to purchase Allergan products depends on the specific product in question. Allergan offers a range of medical and aesthetic products, some of which may require a prescription to ensure safety and proper use. For instance, products such as certain injectables and medications typically necessitate a prescription from a qualified healthcare professional. This requirement helps ensure that patients receive appropriate guidance and support regarding their treatment. On the other hand, some over-the-counter products may be available without a prescription. It is important for individuals to consult with their healthcare provider to determine the appropriate products for their needs and to understand whether a prescription is necessary. For more specific information regarding product requirements, it may be beneficial to refer to the current Allergan website, where detailed information can be found.