Innovative Ideas with Kiana Guyon & Joshua Lucas Oates of Tooth.eco

30 May 2023 · 52 min
Conscious Design Podcast™

30 May 2023 · 52 min

0:00

In this episode of Conscious Design, host Ian Peterman interviews Kiana Guyon and Joshua Lucas Oates, co‑founders of EcoTooth (Tooth.eco), about their journey creating an eco‑friendly manual toothbrush. The conversation begins with the origin story: Joshua’s realization that a whole toothbrush is discarded when only the head wears out, leading to the concept of a durable, recyclable aluminum handle with a replaceable head. They discuss the massive plastic waste problem (3.5 billion toothbrushes discarded annually) and why a sustainable solution matters. The design process is explored in depth: choosing recycled aluminum for the handle, minimizing head size, and selecting materials for the head—ultimately landing on PLA derived from corn for the body and nylon 612 for bristles, while grappling with challenges of making the head compostable, ensuring bristle durability, and meeting dental standards. Material‑science hurdles, such as the need for elastomers that survive the high‑force tufting process, are described, as is the iterative development from V1 to V2, including a new locking mechanism and plans for future V3 improvements. They detail supply‑chain disruptions caused by COVID‑19, the resulting 18‑month delay, and their commitment to transparency with backers throughout. The founders explain how Kickstarter served as proof‑of‑concept, a source of global market data, and a catalyst for later private and angel investment. They reflect on the shift from a direct‑to‑consumer subscription model to a retail‑focused strategy, citing rising customer‑acquisition costs and the need for affordable, mass‑market eco‑products. Circular‑economy ideas are presented, such as a take‑back program to melt down aluminum handles for new versions. The interview also covers community engagement, brand transparency, and future plans: fully compostable heads, durable biodegradable bristles, retail roll‑out in premium stores (Waitrose, John Lewis, Marks & Spencer) and broader global distribution, while maintaining an affordable price point amid cost‑of‑living pressures. The episode concludes with where listeners can find EcoTooth online and on social media.

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