Other endocrine conditions, such as Cushing syndrome or congenital adrenal hyperplasia, can also influence hair growth, often alongside other systemic symptoms. Genetics further shape how these hormonal influences manifest, with women of Mediterranean, Middle Eastern, and Southeast Asian descent statistically more likely to experience facial hair growth. In many cases, this reflects inherited traits rather than illness—but overlap with medical conditions can complicate interpretation.
Lifestyle, Medications, and Internal Balance
Hormones do not operate in isolation. Weight fluctuations can alter estrogen and androgen balance, particularly with rapid gain or loss. Insulin resistance, even without PCOS, can increase androgen activity and contribute to facial hair growth