Medications may also play a role. Anabolic steroids can directly stimulate hair growth. Some chemotherapy drugs, despite being associated with hair loss, may lead to uneven or thicker regrowth. Certain epilepsy medications have been linked to hypertrichosis, a condition involving excessive hair growth unrelated to hormonal imbalance. These examples underscore how sensitive hair follicles are to internal and external changes.
If You’re A Woman With Chin Whiskers, Here’s What It Means