Facial hair growth is mainly influenced by genetics and hormones, so the amount and pattern of beard growth can vary greatly from person to person. At 23 years of age, some men may still continue to develop thicker facial hair over the next few years, so slow or patchy beard growth is not always a sign of a medical problem. If you only have a few thin hairs under the chin, it may simply be your natural growth pattern, especially if other men in your family also have less facial hair. However, factors such as low testosterone levels, nutritional deficiencies, stress, poor sleep, or certain skin and hormonal conditions can sometimes affect beard growth. There are a few medically used treatments that may help improve facial hair growth in some people. Dermatologists sometimes recommend topical Minoxidil, which is commonly used for scalp hair growth and may also help stimulate beard hair in certain cases. Results are usually gradual and may take several months to become noticeable. It should only be used under medical guidance because it can cause skin irritation, dryness, or unwanted hair growth in nearby areas. Eating a balanced diet rich in protein, iron, zinc, biotin, and vitamins, along with regular exercise, proper sleep, and stress control, may also support healthy hair growth. Avoid using random oils, steroid creams, or unverified supplements promoted online, as many of them are not scientifically proven and may even be harmful. It is best to consult a dermatologist if you are concerned, especially if you also have symptoms such as hair loss on the scalp, low energy, reduced muscle growth, or other hormonal concerns, as further evaluation may be needed.