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

Question: 1 / 580

What is the primary function of the sebaceous glands?

To produce sweat

To soften and lubricate the skin

The primary function of the sebaceous glands is to soften and lubricate the skin. These glands are responsible for producing an oily substance known as sebum, which plays a crucial role in maintaining skin moisture and suppleness. Sebum helps create a barrier that keeps the skin hydrated and prevents it from becoming dry and cracked. Additionally, the lubricating properties of sebum help protect the skin from external irritants and potential infections by forming a protective layer over the skin's surface.

While sweat glands are responsible for producing sweat to help regulate body temperature, that function belongs to a different set of glands entirely. Similarly, detoxification is not a primary role of sebaceous glands; rather, the skin itself can play a minor role in filtering certain toxins through various processes. Thus, the correct choice highlights the essential function of sebaceous glands in skin health and moisture retention.

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To regulate body temperature

To filter toxins

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