Parthenon K-Gum Karaya Gum Powder 3Oz Puff Bottle -1 Each. Product is manufacturered and licensed by Parthenon . Product is categorized as a stoma pastes and powders . HCPCS: A4371 . Parthenon K-Gum Karaya Gum Powder 3Oz Puff Bottle. K-Gum is one of the best treatments for excoriated skin! K-Gum karaya powder is premium grade and heals skin irritation quickly and with little expense. K-Gum karaya is the can replace any pectin based stoma powder with its natural healing qualities and wide popularity. Highest quality karaya powder used to heal excoriated skin around the stoma.