What should barbers be cautious of when using chemical treatments?

Barbers should be particularly cautious about client allergies and sensitivities when using chemical treatments. It is essential to understand that every individual may react differently to certain ingredients found in these products. Some clients may have known allergies, while others may be unaware of their sensitivities until a reaction occurs.

Taking the time to consult with clients about their past experiences with chemical treatments, conducting patch tests, and showing awareness of potential allergic reactions ensures client safety and comfort during service. This diligence can prevent adverse reactions, such as skin irritation or allergic responses, which can lead to serious health concerns and negatively impact the barber-client relationship.

In contrast, while mixing different brands, applying too much product, and using cold water for washing may also present issues, they generally do not have the same immediate health implications as clients' allergies and sensitivities.