Answer
Travatan (travoprost) contains propylene glycol, which may cause skin irritation, and polyoxyethylene hydrogenated castor oil 40, which may cause skin reactions.
Sources for this answer
- TRAVATAN 40 micrograms/mL eye drops, solutionNovartis Pharmaceuticals UK Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 22Document updated
Sources checked