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

30 May 2023 · 52 min
52:13

In this episode of the Conscious Design podcast, host Ian Peterman interviews EcoTooth co‑founders Kiana Guyon and Joshua Lucas Oates. The conversation begins with the origin story: Joshua’s personal epiphany about the waste of disposable toothbrushes sparked the idea of a modular manual brush with a durable, recyclable aluminum handle and a replaceable head. They discuss the environmental problem of 3.5 billion toothbrushes discarded annually and the difficulty of recycling multi‑plastic toothbrushes. The duo explains their material selection process for the head: after evaluating corn‑derived PLA, starch, and other biopolymers, they chose PLA for its global availability and industrial compostability, while grappling with bristle formulation, elastomer additives, and the need for a robust tufting process. They describe the engineering challenges of making a thin, biodegradable head that still meets dental performance standards, including collaboration with the British Dental Association. Sustainability is woven throughout: they aim for a circular economy by taking back aluminum handles for remelting, plan to make the entire head 100 % compostable (including durable biodegradable bristles), and explore honey‑comb designs to accelerate home composting. The founders detail their go‑to‑market strategy: a Kickstarter campaign served as proof of concept and a rich data source on global demand, which they leveraged to raise private and angel investment. They note the impact of COVID on supply chains, the 18‑month manufacturing delay, and how transparency with backers built trust. Business evolution is covered: moving from a direct‑to‑consumer model to retail partnerships (Waitrose, John Lewis, Marks & Spencer, future global retailers) while maintaining an affordable, mass‑market version alongside a premium aluminum‑handle line. They discuss rising customer acquisition costs post‑iOS 14, the need for a streamlined e‑commerce funnel, and the challenge of preserving community connection as they scale. Finally, they share future plans: V2 (2023) with improved head locking, V3 with fully home‑compostable heads, expanded retail distribution, and continued engagement via social channels (Instagram, TikTok, Twitter). The episode underscores the interplay of conscious design, material science, transparent communication, and strategic growth.

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