👉 Rehair is a medical condition that occurs when hair grows back after it has been cut, trimmed, or pruned. It can be caused by several factors, including genetics, hormonal changes, and stress. Rehair may appear on the scalp, beard, or eyebrows, and it's often associated with baldness. The exact cause of rehair is not fully understood but it's thought to involve a combination of genetic factors, hormones, and other environmental factors. It can also be caused by certain