Answer
Treclin gel contains methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216), which may cause allergic reactions that can be delayed, and polysorbate 80 (E433), which can also cause allergic reactions.
Sources for this answer
- Treclin 1 %/0.025 % w/w GelViatris (formerly Mylan or Upjohn) · emc · SmPC §4.4 Special warnings and precautions for use · Version 7Document updated
Sources checked