phototoxicity
/ˌfoʊtoʊtɑkˈsɪsəti/
noun
- The property of a substance that becomes harmful to living cells when exposed to light.
- The doctor warned that the medication might lead to phototoxicity, so patients should avoid direct sunlight.
- Some essential oils can cause phototoxicity if you go into the sun after applying them to your skin.
- Researchers studied the phototoxicity of certain plant extracts to understand their effects on skin cells.