People heal differently. In general redness goes away in about a week or so. If the redness is persisting it is best to contact your doctor. It may all be normal but it is best to see your doctor in person so you can have an examination for a possible treatment.
An FUE is treated just like a regular hair transplant with regard to the recipient area, but the donor area has open wounds which require daily washing with soap and water. Within 3 days of surgery, you can resume full activities, heavy exercises if you wish. The recipient area requires daily...