防晒感知与紫外线指数不匹配
问题概述
很多人在没有感到热感的情况下仍然会晒伤，且难以通过肉眼判断当天的紫外线强度，导致防晒措施不及时或不恰当。
痛点标签
- 在没有感到炎热的情况下仍然出现晒伤
- 难以通过肉眼判断当天的紫外线强度
- 不同配方的防晒霜在感受上差异大，影响防护意愿
待验证问题
- 您是否曾在没有感到热感的情况下出现晒伤？
- 您能否通过天空的颜色判断当天的紫外线指数？
- 不同配方的防晒霜在使用感受上是否有差异，是否影响您的防护意愿？
证据
原话 · @匿名
I think I got the worst sunburns when I didn't feel hot at all. Usually, it involves water, water cools you down, so you don't feel the heat, but it doesn't block UV, so you don't get the warning.
原话 · @匿名
I am curious if anyone else can tell whether it is a high UV day just by looking outside. There is a certain look to the sky (slightly whiter-bluer) looking against the clouds, and I am not sure if it is because I am directly seeing UV, whether there is some fluorescence, or whether it’s placebo effect.
事实 · @匿名
If there are two neighboring T's, UV can move a bond, linking the two T's together (i.e. thymine dimerization). If you're in the sun, each skin cell gets 50-100 of these pairs created per second (which is much higher than I expected).
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