Scratching the scalp 25 days after hair transplantation does not normally damage the hair follicles, but this action is still not recommended. Hair transplantation, also known as hair transplantation surgery, is more commonly used and effective for the improvement of hair loss symptoms of a surgical technique, generally in the postoperative period of about 2 to 3 days after the hair follicles can become viable, about 30 days after the operation can be stabilized survival, but still need to do a good job of skin care, in the case of no serious stimulation of the hair follicles will not be destroyed. The care after hair transplant surgery is mainly divided into: 1. Localized swelling may occur within 1 week after surgery, which is mainly treated by elevating the head, applying ice and topical anti-inflammatory drugs. 2. 2-3 weeks after the operation may have numbness and itching, treatment includes local topical tincture of minoxidil, warm water immersion and sun protection and so on. Due to different personal constitution, the probability of hair follicle survival and hair growth will have certain changes, if swelling, pain and itching discomfort need to go to the regular medical institutions in time, the above treatments need to be diagnosed in the specialist after regular treatment.