everyone’s skin actually has many layers. Most of the cells in human epidermis are about to fall off, because our skin needs to be replaced. The cuticle under the surface of the skin, which is what we call dead skin, will fall off at a specific time. The sebaceous glands in the skin can have an important impact on skin quality. If the sebaceous glands secrete too much fat, it is easy to cause cell obstruction, that is, acne. When the sebaceous glands normally secrete fat, and the cuticle will not be over aged, the skin will not be dry and peeling, and will not appear greasy, which can present the best state of moisture. In order to maintain good skin, the role of the following nutrients and food sources must be understood.

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1. Collagen

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collagen is the most important material of skin and subcutaneous connective tissue, which can give skin elasticity. When the collagen content of keratinocytes decreases, the skin will appear dry, wrinkled, even rough and aging. Only when we constantly supplement collagen in the body can we maintain the normal structure of the skin, improve the water content of the skin and reduce wrinkles. Food sources of

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include skin, tendon (tendon), shark’s fin, bird’s nest, etc.

health tips: it should be noted that eating animal skin needs to consider cholesterol, you can freeze it in advance, skim off the surface oil, so there is no cholesterol. Essential fatty acids the essential fatty acids (linoleic acid, α – linolenic acid) are needed on the cell surface, which can make the cell membrane more flexible. Once lacking, it is easy to cause skin dryness, loss of elasticity and hair loss. Professor Su Yixiang said that some people are extremely prone to eczema, which is caused by the lack of essential fatty acids and the water barrier barrier barrier of epithelial cells. In addition, the lack of essential fatty acids can even aggravate the damage to skin cells caused by ultraviolet rays. The food sources of

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include soybean oil, rapeseed oil and blended oil containing linoleic acid and α – linolenic acid. Health tips of

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: the content of α – linolenic acid in peanut oil is less, so you should pay attention to check the raw materials when buying oil, not the higher the price, the better. Lecithin is the main component of cell membrane, but many people don’t know about it. The importance of lecithin is that it promotes metabolism and cell renewal. At the same time, it also helps to improve skin water retention. The food sources of

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include egg yolk, lean meat, soybean and soybean products.

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