Answer
In Capasal Therapeutic Shampoo, coco amido propyl dimethyl betaine contains sodium benzoate as a preservative, while triethanolamine lauryl sulfate contains methylchloroisothiazolinone/methylisothiazolinone (3:1) as a preservative.
Sources for this answer
- Capasal Therapeutic ShampooDermal Laboratories Limited · emc · SmPC §6.1 List of excipients · Version 12Document updated
Sources checked