UV
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Understand SPF and PA to handle sunburn and UV care
Kids’ outdoor time pushed me to learn SPF/PA and UVA/UVB. The key isn’t just buying “the strongest” but using enough, reapplying, and picking numbers that match your exposure.
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My plastic clothespins kept snapping, so I tried 100-yen polycarbonate ones—nine years later they’re still fine
The plastic pinch hangers on my laundry rack crumbled. A 100-yen “2× stronger” polycarbonate set looked dubious but has survived nine years of sun with no cracks. Here’s what I learned and what else I tried.