common bletilla tuber rich contain amylum, dextrose, mucilage glue and so on. External use apply, recover its fairness, high-moisturise and lucensy.

• 白芨富含淀粉、葡萄糖、挥发油、粘液质等，外用涂擦，能抑制黑色素的生成，使肌肤纹理细致，防止肌肤粗糙，高度滋润透明.