Hair loss caused by folliculitis, usually after active anti-infection treatment, hair follicles are not necrotic, hair can grow out gradually. If the condition is serious, resulting in scarring alopecia, the hair follicles are necrotic, and it is difficult for the hair to grow back again, hair transplant surgery can be considered. 1. Folliculitis is an inflammation of the skin caused by bacterial infection, manifested as red follicular pimples, which can damage the hair follicles in severe cases, affecting the growth of hair follicles and leading to hair loss. Generally after active anti-infection treatment, follicle inflammation can subside, the hair follicle is not necrotic, hair can grow gradually, usually does not cause obvious effects. 2. If the condition of folliculitis is more serious, resulting in scarring folliculitis, leading to necrosis of the hair follicles, which may cause permanent hair loss, the hair will not grow again, and may have an impact on aesthetics. If necessary, it can be treated by hair transplantation. It is recommended that patients with folliculitis go to the dermatology department of the hospital in a timely manner, and under the guidance of the doctor to carry out active treatment, which can promote recovery.