This is another form of telogen effluvium, which means that it’s usually temporary. 'Whether you're just starting it, discontinuing it, or changing brands, your body can react by causing the hair to go into an increased shedding mode,' Dr. Going off hormonal birth control or changing to a different type of hormonal contraception can also cause hormone-induced shedding. For instance, look for volumizing shampoos and conditioners that are formulated for fine hair and avoid products that weigh down the hair. But there are ways to make your hair look and feel fuller while you wait. So you don’t really have to do anything to treat it, the AAD says. Postpartum hair loss is, luckily, temporary. 'Shedding peaks about four months after the incident' that caused it, she explains. This type of hair loss (technically, hair shedding) is called telogen effluvium, and it can occur months after a stressful or major life event like childbirth, Bethanee Schlosser, M.D., assistant professor of dermatology and director of the Women's Skin Health Program for Northwestern Medicine, tells SELF. Some women experience very mild shedding, but others experience intense shedding for a few months. Once estrogen levels go back to normal after delivery, hair resumes its normal growth cycles and starts to shed all that thick, luscious hair that accumulated over the last 10 months.