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Health Science
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Why Does Toothpaste Foam?
Toothpaste foams because many formulas contain surfactants such as sodium lauryl sulfate. Their molecules have a water-attracting end and an oil-attracting end. During brushing they lower surface tension, help wet tooth surfaces and stabilize…
Oct 13, 2026 • 3 min readRead the discovery →LATEST
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New stories, explanations and research from Health Science.