Scientists have warned about the impact of toxic material found in sunscreen, claiming that a quarter of lotion applied by ...

Now, in NOVA’s Sun Lab, you can do it too. The Sun Lab includes a powerful solar observation tool created by NASA called the Helioviewer, which pulls in real time data from an array of ...

Sunscreens tend to be judged on how much protection they offer — which is conveyed by SPF, or sun protection factor. This is the measure of how much sunscreen protects skin against UV rays.

Based on her own experience, Ho said that sunscreen is not heavy or greasy on the skin, does not cause breakouts, provides enough sun protection, does not make the skin oily, and is unisex.