- Ceramide preserves the moisture in the skin. Skin loses softness when it dries out. The substance also controls melanin pigments. Unitika has been doing research into plant-derived ceramide for several years to find a lower cost source, finally coming upon Konjac-tuber, a plant that has been part of the Japanese diet for centuries. Konjac-tuber contains as much as 7-15 times more ceramide than other plants. Unitika has succeeded in developing a technique to efficiently extract ceramide, making it possible to offer the substance at a significantly lower cost. Safety has been established in scientific tests. Applications vary from cosmetics to beauty-related health foods, and can be made into tablets, snacks or beauty drinks. Its an edible ceramide. Other possible applications include clothing material and bath agents.