What is the Main Benefit of Hair?
The main benefit of hair is protection. While it's also a significant part of personal appearance and self-expression, its primary biological function is shielding the body.
- Scalp Protection: Hair on the scalp helps protect the skin from the sun's harmful ultraviolet (UV) rays. [Source: Hair can also offer protection: For instance, it helps to keep the sun's rays from reaching our scalp. 11-Jan-2023]
- Eye Protection: Eyelashes and eyebrows prevent dust, dirt, and sweat from entering the eyes. [Source: Eyelashes and eyebrows keep dust, dirt and sweat out of our eyes. 11-Jan-2023]
- Sexual Intercourse: Pubic hair reduces friction during sexual activity. [Source: The primary benefit of pubic hair is its ability to reduce friction during sexual intercourse. May 22, 2020]
- Facial Hair Protection: Beards can offer a degree of protection against sun damage to the skin on the face. [Source: Beards can: Protect skin from sun damage.]
Beyond Protection: Hair's Role in Appearance and Self-Expression
While not a primary biological benefit, it's important to note that for many, hair plays a crucial role in shaping personal image and expressing individuality. [Source: For many people, hair is a natural part of their look and an expression of their personality.]