phototoxic
Adjective
Meaning
phototoxic (comparative more phototoxic, superlative most phototoxic)
(medicine, of a medicine or cosmetic) Causing damage to the skin when exposed to light.
Related terms
Examples
Ingesting large doses of St. John’s wort can increase the risk of phototoxic skin reactions (see below).
Too bad lemon and orange oil are both phototoxic!