Mamakids series products have a shelf life of three years and need to be used up within one year after the products are opened. Mamakids is a stretch mark repair cream in Japan, which is loved by many Japanese mothers. The biggest feature of Japanese skin care products is that the ingredients are natural and non-irritating. Of course, this mamakids stretch mark cream is the same. The main component of the product is oligosaccharide, which is extracted from edible brown sugar, without pollution and additives. Oligosaccharides can effectively replenish the cytosol and collagen lost by skin cells and enhance the toughness and elasticity of skin. The prevention of stretch marks can start from the following aspects: 1. Eat a balanced diet. Rich vitamins and minerals should be supplemented during pregnancy. Because collagen fiber itself is composed of protein, you can eat more foods rich in protein. Avoid foods that are too greasy, too sweet and too salty. 2. gain weight. Weight gain during pregnancy should not exceed 2kg per month, and the whole pregnancy should be controlled at 1 1 ~ 14kg. 3. The abdominal belt can bear the gravity burden of the abdomen and slow down the excessive stretching and pulling of the skin. 4, pay attention to exercise, adhere to the cold water bath, enhance skin elasticity.