Hair Density Halved After Childbirth? Recovery Solutions for Postpartum Alopecia from a Korean Medicine Perspective

Postpartum alopecia is not just in your head; it is a natural phenomenon caused by a combination of rapid hormonal shifts and physical stress. During pregnancy, our body maintains significantly elevated estrogen levels, which prolong the anagen phase of the hair and prevent it from falling out easily. That is why you may have felt your hair was actually thicker during pregnancy. However, upon delivery, estrogen levels drop precipitously within just a few weeks to below pre-pregnancy levels. When estrogen decreases like this, much like finishing homework with a fixed deadline, many hairs that stayed in the growth phase enter the telogen phase all at once and fall out in large amounts over the following months. This is called telogen effluvium. It typically appears most severely between 2 to 4 months postpartum. In addition, when breastfeeding begins, prolactin increases and can keep estrogen levels lower, which can serve as a factor that prolongs the duration of alopecia. Furthermore, as essential nutrients for hair growth—such as iron, zinc, and vitamin B complex—are preferentially delivered to the baby during pregnancy and childbirth or consumed through hemorrhage, a relative nutritional deficiency can occur in the mother's body. Physical and mental stressors like sleep deprivation, parenting stress, and chronic fatigue also act as factors that worsen alopecia by impairing blood flow to hair follicles and inducing inflammatory responses. Fortunately, most postpartum alopecia is temporary, and hair volume naturally returns to its original state as hormonal balance is restored after about 6 months to a year postpartum. However, proper care and nutritional support during the recovery period are important processes that help hair regrow more healthily and rapidly.