A whole lot of people would be a different skin color, and this lip-skin color would change more as you age.
Walking would be much more painful due to increased concentration of sensory nerves.
You would also sunburn much more easily, and probably bleed more easily and severely from light cuts and abrasions.
… Also the lack of sweat glands would mean you’d have a very poor ability to maintain homeostasis, so a lot of people would die of heat stroke / heat exhaustion, basically any moderately athletic actions could kill you.
You would also have absolutely no body hair.
A whole lot of people would be a different skin color, and this lip-skin color would change more as you age.
Walking would be much more painful due to increased concentration of sensory nerves.
You would also sunburn much more easily, and probably bleed more easily and severely from light cuts and abrasions.
… Also the lack of sweat glands would mean you’d have a very poor ability to maintain homeostasis, so a lot of people would die of heat stroke / heat exhaustion, basically any moderately athletic actions could kill you.