causes of baldness baldness bald scalp bald about hair loss bald men causes of baldness People who notice hair shedding in large amounts or thinning may want to consult a family physician or a dermatologist (a physician who specializes in treating diseases of the hair and skin). To determine which treatments may be appropriate, it is important to determine the cause of treatment.myscience.ca/causes_of_baldness.html">baldness. There are several types of hair loss that typically concern men: Progressive hair loss, Sudden or patchy hair loss.