Which information should be included in a comprehensive client record?

The comprehensive client record is an essential tool for any cosmetologist, providing a thorough overview of a client's history and needs. Including service history, allergies, and preferences is vital because it ensures that the stylist can make informed decisions about the services rendered.

Service history allows for tracking past treatments, colors used, and techniques applied, helping the stylist to maintain continuity in care and avoid repeating mistakes. Documenting allergies is crucial for safety; it helps prevent adverse reactions that could result from the use of certain products. Additionally, noting a client's preferences allows for a personalized experience, making them feel valued and understood while ensuring their desires are met.

When considering the other choices, simply recording favorite hair color or personal contact details alone does not provide the depth of information necessary to deliver optimal service. Furthermore, keeping track of the latest fashion trends, while useful for inspiration, does not pertain to the specific needs or history of the individual client, which is why it does not belong in a comprehensive client record.