PSI Barbering Practice Exam

Where are hair follicles generally not found on the human body?

1. Palms of the hands

2. Back of the neck

3. Soles of the feet

4. Inner thighs

The correct answer is: Palms of the hands

Hair follicles are specialized structures from which hair grows, and they are present throughout most areas of the human body. However, certain regions are devoid of hair follicles. The palms of the hands are one of these areas. This absence is due to the evolutionary adaptation of the skin in these regions, which requires a hair-free surface for improved grip and dexterity. In contrast, the back of the neck, inner thighs, and soles of the feet typically contain hair follicles. While the distribution and density of hair may vary widely in these areas, hair follicles are indeed present. The understanding of where hair follicles are located is significant in fields such as dermatology and cosmetology, where it relates to various treatments and procedures. This knowledge is also crucial for preventing potential skin conditions that may develop from improper grooming practices in areas where hair is present.