Before applying water to a client's hair or scalp, what should you do to test its temperature?

Testing the temperature of water on the inside of your wrist is an effective method for ensuring comfort and safety before applying it to a client's hair or scalp. The skin on the wrist is sensitive and can provide a reliable indication of whether the water is too hot or too cold for the client, which helps prevent burns or discomfort.

Using the inside of the wrist leverages a part of the body that is typically more sensitive than other areas, allowing for a more accurate assessment of the water temperature. This technique is commonly practiced in personal care settings because it is straightforward and minimizes the risk of misjudgment in temperature.

While other methods, such as using a thermometer, can provide precise measurements, they may not always be practical in a salon setting where speed and efficiency are crucial. Checking the temperature with the hand may not be as reliable, as the skin on the hand is less sensitive than that of the wrist. Asking the client directly about their comfort level can be useful, but it is generally best practice to ensure the temperature is appropriate before consulting the client, as they may not always be able to accurately gauge what feels comfortable.