 A drug allows healing without scars and mice. Scars are not just a cosmetic issue. Scar tissue is a poor substitute for healthy skin, as it lacks sweat glands and hair follicles and is structurally weaker and less flexible than skin. The researchers noticed that skin tension is an important factor in scar formation. The researchers applied tension to surgical wounds on mice. This led to increased scar formation. By contrast, treating wounds with a chemical that stops cells from sensing tension prevented scar formation. The wounds healed into normal skin complete with follicles and glands. This needs to be tested in other model animals. If that works out, then clinical trials will likely follow. See the full video at youtube.com backslash X10 show.