Answer
Voltarol Max Strength Pain Relief 2.32% Gel contains 50 mg of propylene glycol and 0.2 mg of butylhydroxytoluene per gram of gel.
Sources for this answer
- Voltarol Max Strength Pain Relief 2.32% GelHaleon UK Trading Limited · emc · SmPC §2 Qualitative and quantitative composition · Version 12Document updated
Sources checked