New Hampshire Barber Practice Exam

What is an effective way to prevent hair from becoming greasy?

1. By using strong chemicals regularly

2. By washing hair only when necessary

3. By recommending daily shampooing

4. By applying hair product in excess

The correct answer is: By washing hair only when necessary

Washing hair only when necessary is an effective way to prevent hair from becoming greasy because it allows the scalp to maintain its natural oil balance. The scalp produces sebum, which is a natural oil that helps keep hair healthy and moisturized. Overwashing hair can strip away these natural oils, prompting the scalp to produce even more oil in compensation, which can lead to greasy hair. Using strong chemicals regularly can irritate the scalp and damage the hair, leading to an imbalance in oil production. Recommending daily shampooing may also lead to the same issue, as constant washing can disrupt the scalp's natural oil production cycle. Applying hair product in excess can weigh the hair down and make it look greasy, emphasizing the oily appearance rather than mitigating it. Therefore, maintaining a balanced and moderate washing schedule is best for hair health and preventing greasiness.