Glister Kids Toothpaste expiry and manufacturing dates

On Glister toothpaste packaging there are 2 dates listed.

The first is expiry using the following date format, year/month/date i.e: 21/01/18. Expiry is three years from the date of manufacture.

The second is the date of manufacture using the following date format, date/month/year i.e: 18/01/21