What does vitamin A do to the skin?

Vitamin A is a coenzyme that regulates glycoprotein synthesis. It has a stabilizing effect on the cell membrane of epithelial cells, which can maintain the morphological integrity and functional integrity of epithelial cells. Lack of vitamin A can lead to dry epithelial tissues, normal columnar epithelial cells turn into horn-like squamous cells, resulting in cell keratosis. Therefore, lack of vitamin A may lead to hair follicle keratosis; dry and rough skin can also occur. In addition, vitamin A has a certain promotion and improvement effect on the proliferation and differentiation of epithelial tissues, wound healing, collagen production, etc. Therefore, vitamin A is indispensable in the human body. Pay attention to eating fish oil and other foods containing vitamin A in the diet.