Hair is part of the facial framework. It’s a subject of enormous public interest and understanding its science makes a huge impact on patient’s lives. The importance of understanding and treating hair loss is growing because of the emphasis that this generation lays on the physical appearance. Psychological aspect also relates to the imagined perceptions of others. Various studies have demonstrated that alopecia can significantly impact the quality of life of the affected person. Fortunately safe medical are treatments available to manage it. Effective treatment for hair loss begins with finding the cause of hair loss. There is now a better understanding of the pathophysiology of hair loss, its genetics, and its molecular basis paving the way for better management.