Kidney deficiency can lead to a receding hairline, as it causes a decrease in the body's immunity and weaker resistance, along with other bodily symptoms.

Kidney deficiency can cause hair loss and lead to a receding hairline. Consuming foods high in melanin, such as black sesame seeds, black beans, black fungus, and walnuts, is recommended. Avoid raw, greasy, spicy, and strong irritant foods, maintain a pleasant mood, avoid anxiety, ensure adequate sleep, refrain from smoking and drinking alcohol. Massaging the Baihui and Taiyang acupoints, and washing hair every 2-3 days are also suggested.