What happens when toothpaste expires?
For fluoride pastes, the expiration date marks how long the manufacturer has shown the active ingredient stays at labeled strength. Past that, texture, flavor, and effectiveness may change.
Does toothpaste expire?
It depends on how the toothpaste is regulated. Fluoride anticavity toothpaste is an over-the-counter drug in the U.S., and federal drug rules require an expiration date based on stability testing. Fluoride-free toothpastes are generally cosmetics, and the FDA says no law requires cosmetics to carry an expiration date—though manufacturers remain responsible for shelf life.
One+ is fluoride-free and preserved with potassium sorbate and sodium benzoate. Check the crimped end of the tube for its lot code, and contact hello@klyyr.com with it if you have a question about a specific tube.
Is expired toothpaste dangerous?
It is more likely to be less pleasant or less effective than harmful. Still, if it has separated, changed color, or smells off, throw it out.
How should I store toothpaste?
Cap on, away from heat and direct sun. The FDA notes heat and moisture can break down preservatives in personal-care products.
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One+ in an aluminum tube
120 g, approximately 90 brushings, preserved with potassium sorbate and sodium benzoate—every ingredient listed.
01 Why do some toothpastes have expiration dates and others don’t?
Drug toothpastes (with fluoride or other drug actives) must show one under FDA rules. Cosmetic toothpastes aren’t legally required to, though some brands print one anyway.
02 How long does toothpaste usually last?
It varies by formula and packaging. The only reliable figure is the one on your tube or from the manufacturer.
03 My toothpaste separated. Is it bad?
A little liquid at the opening can happen with some formulas. Significant separation, odd color, or smell are reasons to replace it.
04 Can toothpaste go bad in a hot car?
Heat can change texture and speed up breakdown of preservatives. Avoid leaving tubes in hot cars for long periods.
05 Does an aluminum tube help?
Aluminum tubes don’t spring back after squeezing, so less air is drawn in. Keep the cap on either way.