Alicia Syrett, board member of New York Angels, said she's concerned the price may be too expensive for the average person. She wondered how the start-up justified its numbers.
"Ninety-five percent of the product gets made in Portland, [Oregon], and right now it's economy of scale," Triato told CNBC. He added that once demand increases, he'll be able to bring down the price.
Nir Liberboim, founder of venture capital firm Uprise Ventures, which focuses on lifestyle brands, questioned if consumers would actively go online to shop for a toothbrush.
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"We just make it as simple as possible to get a toothbrush and you don't even have to think about it," Triato said.
But The Goodwell Company is brushing up against some hefty competition, including major oral care brands like Oral-B, owned by Procter & Gamble.