Answer
The Thornton & Ross Ltd product Zinc and Castor Oil Ointment BP (zinc oxide) uses a styrene crystal jar with a polypropylene cap for the 100 g pack and a polypropylene jar with a lid for the 500 g pack.
Sources for this answer
- Zinc and Castor Oil Ointment BPThornton & Ross Ltd · emc · SmPC §6.5 Nature and contents of container · Version 5Document updated
Sources checked