1. Eat more androgen food. There is an androgen receptor in the hair follicles of men's upper lip and cheeks, so you can choose to eat more foods containing androgens in your daily life, thus promoting the secretion of androgens.
2. beard transplant surgery. This operation is the most direct and effective way to grow a beard at present. For example, some men are born without hair follicles and can only be improved by beard transplantation.
3. Ginger wipes his beard. It belongs to folk remedies, and its main principle is to stimulate hair follicle growth with ginger.