What can Dermapen do for my hair? Mesotherapy is one of the cutting-edge scalp treatments. It can stimulate circulation and also strengthen hair. Mesotherapy for scalp is perfect for someone, who is noticing hair loss at the root, hereditary balding, or a spot boldness. Any of these signs of hair loss should not be unnoticed. Early stages of Alopecia can also be treated at Hair Extension Angels. This treatment has to be done two to three weeks apart. During the treatment tiny needles are applied to the scalp to stimulate the tissue. There is absolutely no discomfort or sensitivity. Hair vitamins then applied to the scalp, to increase the stimulation.