![ELI5: Why do common household items (shampoo, toothpaste, medicine, etc.) have expiration dates and what happens once the expiration date passes? : r/explainlikeimfive ELI5: Why do common household items (shampoo, toothpaste, medicine, etc.) have expiration dates and what happens once the expiration date passes? : r/explainlikeimfive](https://a.thumbs.redditmedia.com/KZESzgF91cP3KEAR29JhCFmX0zxsPgY1sYhv7XCtiW0.png)
ELI5: Why do common household items (shampoo, toothpaste, medicine, etc.) have expiration dates and what happens once the expiration date passes? : r/explainlikeimfive
![I didn't know shampoo expired!? Can you guys look at this and tell me if these expired? I bought 1 of them today : r/SkincareAddiction I didn't know shampoo expired!? Can you guys look at this and tell me if these expired? I bought 1 of them today : r/SkincareAddiction](https://external-preview.redd.it/AJCMCDLLxS2rlr8w-xZ1iLWNOUwwJBAQjMriY2Div3E.jpg?auto=webp&s=eae53b23f212f24572fd890345316c38a7f0aa43)
I didn't know shampoo expired!? Can you guys look at this and tell me if these expired? I bought 1 of them today : r/SkincareAddiction
![Just purchased, didn't realize this date on the bottle. Is it safe to use? It's Clairol Shimmer Lights purple shampoo. : r/femalehairadvice Just purchased, didn't realize this date on the bottle. Is it safe to use? It's Clairol Shimmer Lights purple shampoo. : r/femalehairadvice](https://preview.redd.it/pvuuqx8jlyg41.jpg?width=640&crop=smart&auto=webp&s=19af0eae25abad7dbe72bb2c1b0ee5199603e8e5)