It is known to all that foods always contain abundant nutrients. These nutrients are the necessary elements to keep the skin elastic and tender. In order to maintain adequate supplementation of the nutrients, people should improve the diet in daily life. Generally speaking, foods like , plant oil, fruits, vegetables and diary products can help people beautify the skin effectively. 

Water is an important tool for people to remove the toxins from the body. Water can transport useful substances and remove the wastes inside the human body. The lack of water can disturb the inner balance. What’s more, it can also affect the ability of the skin to resist the pollutants in the air, such as ultraviolet rays and smoke. Therefore, it is important for people to drink water in a moderate amount. However, people should not drink too much tea, or the normal sleep can be affected and the stability of iron inside the human body can be destroyed.

Plant oil plays an important role in maintaining the elasticity of the skin. Fat is a kind of important substance to protect the inner cell tissues. The phospholipids in the cell membrane can protect the cells. Therefore, it is reasonable for people to choose plant oil, as the fatty acid inside the oil can keep normal metabolism for the cells. In addition, certain fatty acid can also restrain the loss of water and avoid the dryness of skin. This kind of fatty acid can not be produced by the human body itself. People must supplement it by eating plant oil or nuts. In addition, plant oil contains abundant vitamin E which can maintain the normal supplementation of water and defer the skin aging.

Fruits and vegetables contain abundant water and vitamins. They can beautify the skin and destroy the free radicals which can hurt the surface layer of the skin. Fruits and vegetables can supplement beta-carotene, vitamin C and other necessary nutrients for the human body. The anti-oxidants contained in fruits and vegetables also play an important role in beautifying the skin. These nutrients are contained rather abundantly in vegetables and fruits.

Dairy products contain rich vitamin A which can be used to defer the aging and maintain the elasticity for the skin. In addition, people can moderately use cosmetics to beautify the skin, as vitamins like vitamin B5 and vitamin B6 contained in cosmetics can protect the skin and hair and adjust the secretion of sebum.