So THAT's What The Coloured Square On Toothpaste Is Really For

Despite conspiracy theories about their purpose, their real function is pretty interesting.

Did you know that supermarkets often add a little-known “Julian date” to packs of fresh fruit and veg?

These usually tell suppliers and stores when the produce was packed and are different from consumer-facing “best before” and “use by” dates.

Some thought that a similar source of information might lie on the bottoms of our toothpaste packs, too.

In 2024, for instance, a viral podcast clip suggested that the........

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