Mesotherapy hair vaccine 6ml It has been observed that the hair becomes thicker and thicker with regular use. It is recommended for use. : Within a period of 5-10 minutes, the roller opens more than 500,000 channels deep into the epidermis, which is the main obstacle to the penetration of active ingredients. With the needle roller application, the active ingredients in care products can reach the depths of the skin more effectively. Disc piercing does not destroy healthy skin like other skin resurfacing techniques. The risk of irritation is minimal. Since the epidermis is not damaged, the healing time is very fast.