Which documents must be provided to the model during testing?

The requirement for providing a date sheet with specific product information to the model during testing is crucial for ensuring transparency and safety. This document contains important details about the products being used, such as their ingredients, potential allergens, and usage instructions. This information helps the model to understand exactly what treatments or products they are being exposed to during the procedure, which is vital for their health and safety.

The other documents mentioned might have their own importance in various contexts - a practitioner’s license verifies that the individual is qualified to perform the services, a health department certificate relates to sanitary conditions, and a receipt of payment indicates the financial transaction for services rendered. However, it is the specific product information that empowers the model to make informed decisions about their participation in the testing process. Providing this information aligns with regulatory standards focused on consumer safety and informed consent within the cosmetology field.