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Stack Soap is a personal care product developed to solve the issue of soap waste when an old bar of soap wears thin and would otherwise be discarded. Stack Soap implements a grooved stack design such as that used with Pringles chips to merge an old, thin bar of soap with a new one.
The concept was successfully pitched on Kickstarter in 2012, and the product was featured in various media outlets including Wired Magazine, The Atlantic, Gizmodo, and market research firm Mintel.
- Liszewski, Andrew. "One Groove Turns Soap Bar Slivers into Infinite Soap". Gizmodo. Retrieved 25 July 2012.
- Garber, Megan (February 15, 2012). "Meet the Pringles of Personal Hygiene". The Atlantic. Retrieved 25 July 2012.
- Norine, Aric (8 February 2012). "Soap bars that join together - STACK". Kickstarter. Retrieved 30 July 2012.
- Hitt, Jack (July 2012). "A nation of Tinkerers". Wired Magazine.
- "STACK Soap press". StackSoap. Retrieved 25 July 2012.
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