Laundry ball

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

A laundry ball or washing ball is a product made of solid, insoluble material promoted as a substitute for laundry detergent. Producers of laundry balls often make pseudoscientific claims about their mechanisms of action and exaggerate the extent of their benefits.

Excerpt from the Wikipedia article “Laundry ball”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ajzh2074, CC BY-SA 4.0, via Wikimedia Commons.