更令人烦恼的是额头上的防晒霜滴进眼睛中，并在休息时造成刺痛和灼热感(有时持续几个小时)。

And even more irritating than that is when the sunscreen on your forehead drips into your eyes, causing stinging and burning for the rest of your run (and sometimes even hours later).

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防晒品中的化学防腐剂及一些渗入表皮层的其他成分也使得人们忧心忡忡。

Concern has also been raised about the chemical preservatives used in sunscreens, and other ingredients, seeping through the top layer of the skin.

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带一整瓶的防晒霜，因为即使那些号称“防水”的防晒霜在出汗的训练中也不能持续多长时间。

And bring the bottle with you, since even so-called "waterproof" sunscreens don't last the length of a long, sweaty workout.

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