There is an autoimmune condition known as alopecia areata. Immune system cells of people with this condition mistakenly attack the hair follicle cells of the patient. Alopecia barbae is a subtype of alopecia areata; this type of alopecia affects the beard. This abnormality usually causes beard to lose hair in small patches suddenly. Usually, the hair loss occurs along the jawline, but in some cases, the entirety of beard may become jeopardised. This type of hair loss sometimes accompanies hair…
