How to know which sunscreen is right for you

Описание: There are so many sunscreen products out there, how do choose? Is it by price point, brand name, or whatever is first on the shelf? Consumer Reports can help you choose by data and testing.

“We test sunscreens to see how well they protect against two types of the sun’s rays—UVA and UVB, which cause aging, skin cancer, and sunburn," said Trisha Calvo, Consumer Reports.

To test for SPF, the “sun protection factor” and a measure of how well a sunscreen protects against UVB rays, expert testers apply sunscreen onto panelists’ backs before they soak in a tub for 40 or 80-minutes, depending on the sunscreen’s water-resistance claim. The area is then exposed to simulated sunlight. The next day, trained experts examine the area for redness.

To test for protection against UVA rays - testers apply sunscreen on plastic plates, expose them to UV light, then measure the number of rays that are absorbed.

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