Pressure sores can occur, for example, when you sit or lie in one position too long. Shearing is also a kind of pressure injury. It happens when the skin moves one way and the bone underneath it moves another way.
Quick Answer. Greer's goo is a type of barrier cream used in the treatment of intertrigo. Its composition is a mixture containing nystatin powder, hydrocortisone powder and zinc oxide paste, states Medscape. Intertrigo, which is a skin rash, manifests as diaper rash in babies.
But mucus is more than just sticky goo. It also contains antibodies that help the body recognize invaders like bacteria and viruses, enzymes that kill the invaders it traps, protein to make the mucus gooey and stringy and very inhospitable, and a variety of cells, among other things.