What are the SPF and PA numbers on sunscreen? | Vinmec-834643
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Specifically: Sunscreen with an SPF of 15 will protect the stomach within 150 minutes.
Share: To limit the harmful effects of UV rays on the body, it is important to choose a suitable sunscreen, when choosing a sunscreen, it is necessary to pay attention to the SPF and PA numbers on the sunscreen.
For example, a sunscreen with an SPF of 30 will protect the skin from UVB rays for 300 minutes.
According to international standards, 1 SPF is capable of protecting skin and limiting the harmful effects of UV rays for about 10 minutes.
The SPF number on the sunscreen indicates the body’s ability to protect against the harmful effects of UVA and UVB rays on the body.
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