PSI Barbering Practice Exam 2025 – All-in-One Resource to Master Your Certification!

Question: 1 / 580

Oily scalp and hair is most often caused by_________.

Overactive sebaceous glands

An oily scalp and hair is most often the result of overactive sebaceous glands. These glands are responsible for producing sebum, an oily substance that naturally lubricates and protects the hair and skin. When these glands are overactive, they produce an excess of sebum, leading to an oily appearance and feel. This condition can be influenced by various factors such as hormonal changes, diet, and stress, but the fundamental cause remains the overactivity of the sebaceous glands.

While undercleaning may contribute to the buildup of oil, it is not the primary cause since the glands may still produce excess oil regardless of washing frequency. Genetic factors can influence the tendency toward oily hair, but they do not directly cause the condition. Similarly, improper shampooing might affect the condition of the hair but does not inherently lead to an overproduction of sebum. Therefore, understanding the role of sebaceous glands is crucial in addressing and managing oily hair and scalp issues.

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Undercleaning

Genetic factors

Improper shampooing

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