Can expired sunscreen be used on hands? Precautions for using sunscreen

Sunscreen is a skin care product that we use very frequently in our daily life. If our sunscreen has expired, can we use this expired sunscreen to wipe our hands at this time? Let us learn about it together today.

Can I use expired sunscreen on my hands?

Can. Although expired sunscreen has passed its shelf life, it still has a certain sun protection effect if the expiration time is not long. Especially if there is still a lot of sunscreen left, it would be a waste to throw it away. You can use it to wipe your hands and it still has a certain protective effect on the skin of your hands.

Precautions for using sunscreen

1. When choosing sunscreen cosmetics, be sure to avoid causing skin allergies.

2. Choose a sunscreen with an appropriate factor.

3. Use it at the right time: Don’t apply sunscreen just before going out.

4. SPF values ​​cannot be added together. Applying two layers of SPF10 sunscreen will only have the protective effect of one layer of SPF10.

Sunscreen application order

Generally, it is applied after basic skin care and before foundation. At this time, sunscreen can form a thin film to lock the skin care products firmly on the skin. At the same time, it can also isolate the skin from cosmetics, and together with cosmetics, it can block the invasion of ultraviolet rays, which means that the barrier is thicker.

Does sunscreen have a shelf life?

The shelf life of unopened sunscreen is generally three years, but it is best to use up the opened sunscreen within the same year. This is because the opened sunscreen will come into contact with the air, which contains many bacteria and microorganisms that are invisible to the naked eye, which will accelerate the loss of sunscreen ingredients in the sunscreen. Therefore, it is best to use up the opened sunscreen within the same year.