The right option is 0.25 inches per month
The average rate at which the human hair grows is 0.25 inches per month.
Hair is a mass of protein filaments that grows from follicles located in the dermis. Hair can be found on every part of the body except on the palms of the hands and the soles of the feet. Different types of hair such as vellus hair and androgenic hair can be found on the body. Human hair undergoes three stages of hair growth which are the anagen, catagen, and telogen phases. The average rate or speed of human hair growth is about 0.25inches per month.