Sunscreen can also be dangerous
1. Sunscreen can also be dangerous
Many studies have found that Oxybenzone in some sunscreens can easily lead to allergic contact dermatitis and photocontact dermatitis, and disturb hormone levels in the body. It's best to choose sunscreens that don't contain these substances.
2. Sunscreen has a life span
Most sunscreens have a service life of 3 years, but the shelf life will be shortened after opening or long-term storage in high temperature environment, so it is better to store them in a cool place.
Sunscreen can also be dangerous
1. Sunscreen can also be dangerous
Many studies have found that Oxybenzone in some sunscreens can easily lead to allergic contact dermatitis and photocontact dermatitis, and disturb hormone levels in the body. It's best to choose sunscreens that don't contain these substances.
2. Sunscreen has a life span
Most sunscreens have a service life of 3 years, but the shelf life will be shortened after opening or long-term storage in high temperature environment, so it is better to store them in a cool place.
Waterproof sunscreen is not reliable
5. Waterproof sunscreen is not reliable
'waterproof sunscreen' claims to protect all day, but it still needs to be applied every two hours. Every time you come out of the water, you should also apply sunscreen.
6. Don't be too superstitious about sunscreen index
According to the U.S. Food and drug administration, sunscreens with an SPF of 15, 30, 50 and 100 are 93%, 97%, 98% and 99%, respectively, with no significant difference. The dosage and frequency of sunscreens are more critical.