The pericarp that develops from the ovary can generally be divided into three layers at maturity, with the innermost layer, formed by the inner wall of the ovary, known as the endocarp. The endocarp of the chestnut is the most nuclear layer of the pericarp.

"Medical Department Record" said that the effectiveness of the chestnut skin and the role of the skin and flesh can make the urgent wrinkle can be spread, and the old man face wrinkles. With chestnut skin, pounded into the end, honey and coated face. There are blood, moisturize the skin, show the function of wrinkles.