Lecithin is the material extracted from soy bean, sunflower and rice. It is the amphipathic material that having hydrophilic and hydrophobic. So it can be a major component of cell membranes. Since zwittorionic emulsifier that having positive and negative ions both, exhibited a strong emulsification functionality. In addition, the product is more stable and harmless to human body, because it is hydrogenated product. You can feel excellent moisturizing effect and texture.