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Sunstar makes GUM-brand toothbrushes, toothpaste, dental floss and other oral care products, plus industrial products, sold to consumers and dental professionals around the world.
Sunstar is an oral care company best known for its GUM brand — the toothbrushes, toothpaste, dental floss and tiny interdental brushes that dentists often recommend and that many people pick up at the drugstore. It sells these products to ordinary shoppers and to dental professionals, who use and recommend them in their practices.
The business runs on two engines. The bigger, more famous one is oral care: the everyday hygiene products plus professional dental supplies. The other is a smaller industrial products arm. The simple logic behind the consumer side is trust — if your dentist hands you a GUM brush or tells you to use interdental brushes, you tend to buy them. That professional recommendation is the company's real moat against giant rivals on the shelf. The tricky part is the name. Sunstar is a private company headquartered in Switzerland, and it shares its name with several unrelated firms around the world, so you have to be careful not to mix them up. It competes in a crowded oral care market against much larger consumer-health players, which means it survives on brand loyalty and dentist relationships rather than sheer marketing budget.
Because Sunstar is privately held, it does not publish the quarterly reports or trade on a stock exchange the way public companies do. So the way to understand it is straightforward: it makes money by selling trusted dental products to people and to the professionals who advise them, and it has quietly built one of the most recognized names in everyday mouth care.
Saved answer · last researched 15 Nov 2026