Maybe you rarely ask yourself the question. You are not the only one. Many are in the habit of keeping their sun protection on for years. Unfortunately in the long term, the lifespan of a sunscreen is limited. Beyond its expiry date, it loses its effectiveness and no longer protects the skin optimally. When it is well preserved, it is possible to keep it for a maximum of two years.
Can sunscreen expire?
Yes, the lifespan of a sunscreen is not unlimited. This is particularly the case for the majority of cosmetic products. Over time, they lose effectiveness. When exposed to heat, air and has been contaminated with fungus, sun protection can break down quickly. It is no longer able to protect the epidermis against the ultraviolet rays of the sun.
It is therefore strongly advised to take into account the expiry date of your sunscreen and to buy another if it has passed its expiry date. In addition, a change in texture and smell are signs that show that sun protection has expired.
READ ALSO: Do black skin types need sunscreen?
What is the lifespan of sunscreen?
The expiry date is indicated on the packaging. The shelf life of a sunscreen depends on its formulation, ingredients and how it is stored. In general, you can keep them for a maximum of two years.
As we mentioned above, certain factors can reduce the life of a sunscreen. This is especially the case when the product has been opened for a long time.
To prolong its life, it is advisable to close it well after use and store it in a cool, dry place. Also, avoid exposing it to direct sunlight. By applying these good practices, you prolong the duration of your sunscreen.
How to properly store sunscreen?
To ensure the effectiveness of your sunscreen, you must know how to store it. Here are a few tips :
- Choose to keep it in a cool, dry place away from heat and sunlight. Avoid leaving it in a car in direct sunlight or near heat sources;
- Use a dark place: sunlight can break down the active ingredients in sunscreen . Store it in a dark place or in opaque packaging to protect it from light;
- Avoid freezing your sunscreen, as this can alter its texture and consistency;
- Close the container tightly: after use, be sure to close the cap or lid of the container tightly to prevent the cream from being exposed to the air, which can lead to faster deterioration;
- Check the expiry date: before use, always check the expiry date of the sunscreen. Never use a product that has passed its expiration date;
- Avoid Direct Sun Exposure During Transport: When taking your sunscreen with you for a day at the beach or other outdoor activities, try to keep it in the shade or in an insulated bag to prevent it from spilling. it is not exposed to heat.
By following these tips, you can extend the shelf life of your sunscreen and maintain its effectiveness in protecting your skin against UVA and UVB rays . However, remember that even with proper storage, it is recommended that you replace your sunscreen annually for optimal protection.