Why Do Dogs Try To Lick Cuts. Conversely some dogs will try. When dogs lick the face of children it can be a sign of affection appeasement or simply the act of cleaning food residue off their face. The second reason is most likely instinct. Its why many people call them kisses Dogs show affection by licking people and sometimes even other dogs.
Licking is a natural action for dogs. Licking might offer some protection against certain bacteria but there are serious drawbacks to letting your dog lick wounds. Licking wounds seems an instinctual reaction to the injury. But instinct can be biologically based and often serves a purpose. Your dog wont just stop at his own wounds however and is likely to lick any grazes cuts or injuries you may have sustained as well. They are trying to clean your wound and accelerate the healing process.
Dogs instinctively lick wounds.
This instinct reduces the risk of infection as it helps mammals keep their open wounds clean. Dogs instinctively lick wounds. When we get hurt we always want someone to soothe our pain. Thats all they can do. After all they lick their wounds so why not yours and for the same reason just as a mother dog would lick the wounds of one of her pups should it get injured. Dogs know they get their dietary requirements from organic material and not from inorganic metal objects.