What is watermelon frost?
It is a gray powder that you can spray or puff onto canker sores
(mouth ulcers) to speed up the healing. It is a traditional Chinese
medicine and available from most Chinese Medicine stores. It is
also known as Compound Watermelon frost and is an organic herbal
mix. It is a well known treatment in Chinese medicine for a problem
that western medicine has no cure for; in addition it is reputed to
work on sore throats, gum infections etc.