For a capillary surgeon is essential to have knowledge of anatomy and aesthetics of hair to achieve the best results. The shape and hair texture vary depending on their evolutionary status and location. We can distinguish different types of hair: The hair called lanugo is a fine, clear and pigmented coats the fetus and usually falls around the eighth month of pregnancy.

The hair is fine hair, clear and almost invisible which is observed on the forehead and scalp in the prepubertal age. The terminal hair, usually thick, long and variable pigmentation characterizes adulthood. Subtypes are terminal hair on the scalp, eyebrows, upper lip, chin, underarm, chest and pubis.

The hair can become terminal hair, for example facial hair in adolescents may become beard. Also the terminal hair on the scalp hair may become, like male pattern baldness and female androgenic alopecia.