1. Many people use expired milk to protect their skin, and it does have a certain effect, because expired milk will produce lactic acid, which is a kind of fruit acid, which can soften keratin and have a moisturizing effect.

2. Shoe polishing-first brush off the dirt on the vamp with a brush, then evenly coat the expired and sour milk on the vamp with gauze, dry it, and then wipe it with a dry cloth, so that the vamp can be as bright as new, and the leather surface can be prevented from cracking.

3. Wipe the floor-dilute the expired and sour milk with clear water, then sprinkle it on the floor and wipe it with a mop. The floor can be as bright as new.

4. Remove ink stains from clothes-first wash clothes with clear water, and then gently rub them with expired yogurt to remove ink stains from clothes.

5. Water the flowers-if the expired milk has obvious sour taste, it can be used to water the flowers. In order to avoid the spread of bad taste, you can dig a small pit in the middle of the flower soil and bury the milk in it.

6. Wipe leather furniture-If there is a small amount of precipitation in expired milk, but the smell has not changed, it can be used to wipe leather furniture, restore its luster and repair tiny cracks.

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