Keywords: abdominal surgery; anagen effluvium; calcium hydroxyapatite; cardiac surgery; deoxycholic acid; facelift; facial suspension sutures; fat grafting; filler complication; gynecological and breast surgery; hyaluronic acid; hyaluronidase; maxillofacial surgery; mesotherapy; nonscarring alopecia; postoperative alopecia; rhytidectomy; scarring alopecia; thread lifts; trichoscopy.