Credit: Getty Images • Postpartum hair shedding is common, and temporary—and there are tons of over-the-counter products on the market that claim to cure it. • Nutrient deficiencies, stress, and sleep deprivation can contribute to hair loss, so addressing these factors can help support regrowth. • Otherwise, most treatments aren’t necessary or effective—however, taking a multivitamin or continuing prenatal vitamins while breastfeeding can help nourish hair follicles.