What is the recommended action for a barber when noticing dull blades?

When a barber notices that blades are dull, the most appropriate action is to replace them. Dull blades can cause discomfort and potential injury to clients, as they require more pressure to cut hair effectively, leading to uneven cuts and possible skin irritation. Using sharp tools is essential for both the quality of the haircut and the safety of the client, as sharp blades ensure clean, precise lines and minimize the risk of nicks and cuts.

While sharpening dull blades might seem like a viable option, it is not always a practical solution depending on the type of blade. In many cases, especially with disposable or safety blades, replacing them is the better and safer choice. Continuing to use dull blades or using them in less sensitive areas can compromise the quality of the grooming service and may not fully mitigate the risks associated with their use.

Thus, replacing dull blades is the best course of action, as it ensures optimal performance of the tools and maintains a high standard of service for clients.