1 First of all, we all know that this brown birthmark is mostly oval. If the affected area is small and the time is short, it can be removed by laser. During the treatment, do a good job in nursing the affected area and eat more vegetables and fruits rich in vitamins. 2. In addition, the brown birthmark is more obvious in the trunk, buttocks and legs. Pay attention to the recent situation after the onset. If the boundary is clear and the surface skin texture is normal, don't worry too much. If the situation permits, the operation can be carried out with the help of a doctor, and the damage is relatively small. 3. Brown birthmark can be used as a special birthmark, and whether it can be completely removed has certain individual differences. Generally speaking, early detection and early treatment are advocated. Don't miss the best treatment time, otherwise the symptom area will increase, the color will deepen and aggravate, and it is not easy to remove. Everyone should pay special attention to this. If you want to gain more authoritative knowledge of medical beauty, you need lemon to love beauty.