It’s time to face the facts: We’re smack in the middle of Japan’s hottest season. The Japan Meteorological Agency expects the average daily temperature for the Kanto region from July to September will get as high as last year’s (26 degrees Celsius), if not more.

Whenever you go outside, it’s important to protect yourself from the sun. Of all the tools at our disposal — air conditioner, electronic fan, straw hat and konbini ice cream — the one you absolutely must break out for ultraviolet protection is sunscreen. But Japan has a variety of formulas and brands, and it can be tricky to know which one to use. Our in-depth guide will help you find the best option to keep your skin safe.

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