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Some toothpastes has an expiry date but it never actually goes bad, it could however dry out.

Also know that it may not taste that great or look so pretty after some months have passed since expiration date.

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13y ago
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14y ago

Nothing happens. When it expires, it is less efficient.

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Wiki User

12y ago

It wouldn't be harmful, just it wouldn't clean teeth properly.

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Wiki User

13y ago

It'll taste funny.

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Wiki User

12y ago

Nothing happens but ur mouth will get dry

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