The pit does not have any magical properties. What turns the guac brown is the air. If you can keep air from touching the guac then it will stay green. The pit will keep a portion away from the air, but what is more affective is to put plastic wrap over it and push it right down onto the surface.
In my experience, denuded skin is when the top layer is off, sore is very superficial and usual caused from a shearing force. As above, there are many taypes of foam backed dressings used in teh VA, depending on which VA you are at. I am familiar Allevyn but here is a site where you can compare.
These things can cause the product to be washed out of the soil and /or become too diluted to remain effective. If there is excessive rain after applying, simply re-apply and begin the process again.2. What is the product made of? Chase Mole granules are made of ground-up corn cobs (80%) and castor oil (20%). The product also contains a small amount of surfactant (soap) to help the castor oil mix with water and penetrate into the ground. The castor oil pellets are very small and spread over a large area (one pound/1000 sq. ft.).