Hello; the scalp is covered with keratinocyte cells and this barrier is very thick; so, this is a disadvantage for hair transplantation. For thick and dry skin; mesotherapy and moisturizing care products are preferred. "Exosome", contains for growth factors; which are obtained from stem cells that; protect hair and skin health. All of these, ensure for that; the scalp softens, moisturizes and rejuvenates. Thus, related hair comes out easily. From the hair transplanted roots; it is seen that; relevant hair grows up after 1-2 months. The initial hairs, that emerge are weak and fall out completely. Later than that, permanent hair, grows up from these roots. The obvious and noticeable affect of hair transplantation is; it starts to appear after 3-4 months. After 6 months later, 90% of the transplanted roots; which new hair will grow up.