Surprising Result after Wife Pours Fresh Milk into Old Pan

Korean experts explain that there is a form of protein called casein in milk that has a beneficial effect in "healing" scratches on pans.


Non-stick pan as the name suggests, prevents food from sticking to the pan when frying, cooking, stir-frying, etc. However, after a period of use, the non-stick coating may start to peel off and lose its effectiveness. At this point, if you throw away the pan, it would be a waste because the pan still seems intact. If you fry fish or eggs, the fish and eggs will stick to the pan and become a mess. You don’t have to throw away the pan or spend money buying a new one if you follow these great tips.

Note: This method only applies to pans with slight peeling. If the non-stick coating is completely peeled off, the effect might not be as noticeable.

Fresh Milk

While initially, due to long-term use, the non-stick coating of the pan might start peeling, causing the food to stick to the pan surface. But after boiling with milk, the non-stick effect of the pan is almost completely restored.

First, pour a little fresh milk into the pan. The amount of milk should be enough to coat the bottom of the pan. Then, boil the milk for about 5 minutes. Remember to keep an eye on it to prevent the milk from overflowing and dirtying the stove. After that, pour out the milk (you can use it as fertilizer for plants but not for drinking). Then, use clean water to clean the residue milk from the pan surface.

Korean experts explain that milk contains a type of protein called casein. When heated, casein reconnects and forms a film on the pan surface. Thanks to that, the restoration of the non-stick ability for a peeling pan is much more effective.

Quite surprising with this simple and effective way to restore non-stick pans, right? You won’t have to worry about buying a new pan that doesn’t last long, just spend a little milk, and you have saved the cost of buying a new pan.


For the inner surface, when the non-stick coating starts to wear off, the food will stick tightly and cause rust layers after washing. At this point, you can completely use a potato as a special cleaning agent.

In potatoes, there are many acid compounds. Specifically, 4-O-caffeoylquinic acid (cryptochlorogenic acid), 5-O-caffeoylquinic acid (neochlorogenic acid), 3,4-dicaffeoylquinic acid, and 3,5-dicaffeoylquinic acid… These are essential substances for cleaning household items. Natural oxalic acid can dissolve rust layers on the pan’s outer surface.

Not only that, the non-stick coating is also made from polytetrafluoroethylene (-CF2-CF2-)n. This is an extremely flexible compound and can withstand high temperatures without deformation. That is why Teflon is used to coat the pan surface.

Although potatoes do not have polytetrafluoroethylene (-CF2-CF2-)n, this tuber contains a relatively good amount of riboflavin, folate… These substances combined can also form Teflon. So if you rub a potato on the surface, you can completely “restore” the non-stick coating. The next time you use it, you will find the non-stick surface much more effective.

The simple method is as follows: Clean the potato, cut it in half. Continuously rub the cut surface lightly on the pan’s bottom, especially on the peeled or scratched non-stick coating, and repeat several times.

According to

Frequently asked questions

Milk contains a protein called casein, which, when heated, forms a film on the pan’s surface. This helps to restore the non-stick ability of the pan.

Potatoes contain natural acids, including oxalic acid, which can dissolve rust layers on the pan’s surface. Additionally, potatoes also contain substances that can form Teflon, which helps to restore the non-stick coating.

If the non-stick coating is completely peeled off, the above methods may not be as effective. In this case, it is recommended to invest in a new pan to ensure your food doesn’t stick and create a mess.

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