Hair loss in ones twenties is a common experience for both men and women. For some, it can be quite alarming and frustrating. There are many reasons why someone might start to shed hair at a young age and each person's situation is unique. Some of the most common causes of hair loss in ones twenties are genetics, stress, poor nutrition, and hormone changes. If you are experiencing hair loss, it is important to see a doctor to determine the cause and to get advice on how to best manage the condition. Often times, there are treatments available that can help to restore your hair.