Answer
Lauromacrogols (polidocanol) in Balneum Plus Bath Oil acts as a local anaesthetic, diffusing from skin and mucous membranes to sensory nerves to alleviate itching.
Sources for this answer
- Balneum Plus Bath OilAlmirall Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 12Document updated
- Balneum Plus Bath OilAlmirall Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 12