Biology of Hair Growth-All you need to know
Normally, the hairs that grow on the scalp and on other areas of the body contribute in a number of different functions.
The hair located on the scalp and on other parts of the body used to have a really important function, the sense of touch, which is no longer useful due to the evolution of the human species.
Thermal regulation function
Hair on scalp contributes significantly during winter months for increasing the temperature of the head.
It protects us from radiation, mainly ultraviolet radiation as well as from injuries of mechanical cause.
Hair of the scalp constitutes a standard of beauty from ancient times and in the modern world, as well as a sign of health and vitality, while it determines social habits and constitutes a point of reference that concerns the majority of people.