1. Improve microcirculation and metabolism; eliminate peroxidized adipopexis, especially lentigo on the skin.

2. It can also help slow decrepitude of skin, reduce wrinkles, spots of pregnancy and senile lentigo .

3. Objectives: To study the therapeutic effects of Q-switch laser in treatment of freckles and lentigo .

4. With ice on the north part of Shaluli hills of the great Lentigo Mountain, the highest peak is 6168 meters above the sealevel.

5. Objective: To observe the therapeutic effects of Q-Switched Alexandrite laser in treatment of freckles and lentigo .