What is the first step in performing a shampoo service?

The first step in performing a shampoo service involves analyzing the scalp and hair conditions because this step is crucial for tailoring the service to meet the client's specific needs. By assessing the condition of the hair and scalp, the barber can identify any issues such as dryness, oiliness, product buildup, or scalp conditions that may require special attention during the shampooing process. This analysis helps in determining the appropriate products to use, ensuring that the service is effective and beneficial for the client's hair type and scalp health. It also allows the barber to discuss any concerns with the client, creating a more personalized and satisfying experience.