Does sunscreen lose its effectiveness?
Soon the bathing season is just around the corner. Many people still have sunscreen from last year. Then the question quickly arises whether the cream loses its effect.
Sunscreen is a product whose consumption is heavily dependent on the weather. Often half-full or closed tubes are left over.
How long does sunscreen last?
- UV protection is integrated in sunscreen. This can be lost and the effect of the sun cream is then extinguished.
- In general, you can assume that sunscreens will keep for one to two years without losing their effectiveness. However, you should examine the tube for an expiration date. This gives you a guarantee of durability when closed.
- There are also some warning signs when it is open. If these occur, you should discard the cream. These warning signs include, for example, changes in consistency and smell.
- If you know that the cream has been exposed to the sun often and for long periods of time, you should remove this as well. Because the cream loses its protective effect when heated and exposed to sunlight.
- For a few years now, there has been a new symbol on cosmetic products. This symbol represents an open crucible. Here you will also find a number that shows you how long the sunscreen will last when opened. There is also an "M" next to the number, which stands for months. If you find a 4 there, you can safely use the cream 4 months after opening.
The shelf life of sunscreen depends on various factors. Was your ...
This will prevent the cream from losing its effectiveness
You can store opened tubes so that the cream does not lose its effect. If you follow these rules, you can use the sunscreen without risking damage to your skin.
- Opened tubes should always be stored dry and protected from light.
- If you keep the opened tube in the refrigerator, it will always stay cool.
- Avoid leaving the tube in the sun for a long time. It is best to store them in the bathing bag in the shade after use.
- Clean the cap of the tubes regularly. If there is sand or the like in the thread of the closure, oxygen can enter the bottle. This can quickly damage the cream.
If you are unsure, it is better to take the safe route and buy a new tube. Her skin will thank you.
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