Hair loss is usually temporary. It may start one to three weeks after the first treatment. Hair may start to grow back six to eight weeks after the last treatment. It can take months for your hair to completely grow back.. Some people notice their hair grows back between treatments. Hair that grows back may be a slightly different colour or texture.
You may completely lose your hair or it may happen in patches. For some people, their hair simply gets thin, dull, or dry. You may lose hair all over your body, including your head, face (eyelashes, eyebrows, and beard), arms, legs, underarms, and pelvic area.