How to use expired sunscreen How to identify expired sunscreen

Sunscreen is the most frequently used skin care product in the summer. It needs to be applied repeatedly almost every day, at least once a day. If you go out in the sun, you need to reapply it every 2 hours, otherwise the sun protection effect will be ineffective. But what if the sunscreen is expired? How to use?

How to use expired sunscreen

1. Wipe silver objects: Apply sunscreen on the silver objects and wipe them with a cloth. The oily ingredients in sunscreen can help remove rust stains on objects, but it is better to use this method with caution for more delicate or valuable items.

2. Remove oily pen stains from the skin: If marker ink accidentally gets on your skin, you can also use sunscreen to remove it. Apply anti-drop cream on the ink and gently wipe it with a tissue to remove the mark.

3. Remove unnecessary stickers: It is very troublesome to tear off the labels on many products but cannot. You can apply sunscreen on the label and then wipe it off with a tissue after a few minutes.

4. Make the scissors sharper: After using scissors for a long time, they will become very blunt due to tape or glue, and they will not be as sharp as when they were first bought. If you apply sunscreen on both sides of the scissors, spread it evenly with your hands, let the sunscreen dissolve the dirt, and then wipe it clean with a paper towel, it will become much better~ Polish leather shoes or leather products: Put a little sunscreen on the leather products, and then wipe them with an old rag.

How to identify expired sunscreen

Expired sunscreen will also smell different. After the sunscreen is opened, it will come into contact with the air. Some microorganisms and bacteria in the air will enter the sunscreen. These microorganisms and bacteria will produce certain metabolites in the sunscreen, and these metabolites will change the taste of the sunscreen.

1. The viscosity of expired sunscreen will change. If you always apply sunscreen too thinly or too thickly, it means that the sunscreen has expired. Sunscreen that has not expired will be applied very evenly on the face without any partiality.

2. The deterioration of chemical ingredients can cause the sunscreen to stratify. Some ingredients in sunscreen are oil-soluble, such as absorbents. Once the sunscreen expires, these oil-soluble ingredients will separate from the liquid ingredients in the sunscreen, resulting in serious stratification.

3. The smell of expired sunscreen will also change. After the sunscreen is opened, it will come into contact with the air. Some microorganisms and bacteria in the air will enter the sunscreen. These microorganisms and bacteria will produce certain metabolites in the sunscreen, and these metabolites will change the taste of the sunscreen.

Can I still use expired sunscreen?

1. Do not use opened and expired sunscreen: If the sunscreen has passed its shelf life and has been opened, do not continue to use it, because the effectiveness of the sunscreen contained in the opened and expired sunscreen is greatly reduced, and it basically does not have the sunscreen effect as marked on the value. After using it, it will not achieve the expected sunscreen effect and you are prone to sunburn. Moreover, the plastic bottles used for packaging will also degrade. Continuing to use them may cause the particles in the plastic to be applied to the skin, which will damage the skin and cause skin sensitivity and dermatitis in some people. Therefore, everyone should switch to the latest products.

2. Unopened expired sunscreen can be used on the body: If the sunscreen is expired but has not been opened and the expiration time is not long, you can use it to apply on the body, because the skin on the body is not as thin as the skin on the face and not as sensitive, so unopened expired sunscreen will not harm the skin of the body, but be careful not to apply too much. The shelf life of Anessa sunscreen after opening is generally one year. Whether this sunscreen can be used after it expires depends on the specific situation.