It has long been pointed out that chondroitin sulfate is important for the formation of cartilage and bones of the hands and feet. We recently learned that chondroitin sulfate is important for the formation of the maxillofacial and head bones and the flexibility of the skin, and that it is involved in the expression and correct arrangement of collagen that supports these tissues and organs. We were the first in the world to discover that it is extremely important for the formation of external organizations. Detail isherePlease refer to the.