When should you ask a client if they have allergies?

Asking a client about allergies before the service, during the consultation, is crucial because it helps to ensure the safety and well-being of the client. This proactive approach allows the nail technician to identify any potential allergens in the products that will be used throughout the procedure, thereby minimizing the risk of an allergic reaction.

Understanding a client's allergies beforehand enables the technician to select appropriate products and avoid any that could cause adverse effects. Furthermore, it establishes trust between the technician and the client, showing that the technician is attentive to their health and specific needs.

Consultation is a key part of the service process, as it not only covers allergies but also involves discussing preferences, previous experiences, and any other vital information that contributes to providing a personalized and safe service. The other options fail to prioritize client safety and may lead to complications that could have been avoided by addressing allergies beforehand.