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Kristina Knox and Stephanie Tien say the feedback they’ve received from pitch competitions has only made their better – and that includes the rejections.

As second-place winners at the 91�Թ�’s competition last year, Knox and Tien say the experience paved the way for the upcoming launch of Arbre’s debut sun-care product, , a mineral-based powder dry shampoo with SPF that protects the scalp from sunburns.

The co-founders stress it was their second time vying for an Innovation Prize – and are encouraging this year’s participants not to get discouraged if they don’t take home a win . The same goes for those who weren’t selected as finalists.

“For people who didn't make it into the competition, just keep trying. Just because you got rejected doesn't mean your idea isn't good,” says Knox, a PhD student in cognitive psychology.

“It's an opportunity to learn from that and figure out how you can better refine your business – and how you communicate it.”

The annual competition, hosted by the (CECCS), awards a total of $25,500 in prizes to support 91�Թ� students’ ideas for a more sustainable future.

In the case of Arbre, Knox and Tien – who earned her master’s degree in pharmacology in 2020 – are betting that their SPF dry powder shampoo will be a hit with consumers. Made with reef-safe ingredients and recyclable packaging, Knox says the first orders are set to be shipped out in biodegradable mailers this spring.

It’s a milestone that the two friends have been working toward since .

Tien says Arbre – and – used the $7,500 in Innovation Prize money to pay for the process of obtaining for Health Canada approval and the early stages of manufacturing.

The duo’s participation in the Adams Sustainability competition also helped them prepare for , where their third-place finish came with a $10,000 cheque and exclusive in-kind support.

“We were so grateful to be able to participate in the [Adams Sustainability Innovation Prize],” says Tien. “The funds went a long way for us, and we’re really appreciative of that and excited for all the other finalists that get to participate this year.”

The , which is supported by the donation of Wendy Adams, takes place on March 3 in Hart House’s Great Hall.

This year’s finalists are:

• : Billed as Toronto’s first zero-waste takeout-ordering platform, Inwit allows customers to order food from restaurants in metal containers that are returned and reused in exchange for rewards.
• : A digital mental health platform that offers resources and support tailored to the student experience.
• Mission-E: A web app designed to help recommend to farmers the optimal amount of fertilizer application in their fields. The platform helps farmers save money on excess fertilizers and reduces nitrous oxide emissions
• : A venture working with small-scale farms in Ghana to produce sustainably grown tigernut oil. The oil is packed with heart-friendly monounsaturated fats and has a similar profile to olive oil.
• : This startup says its palm-sized device can screen for the risk of cardiovascular disease using a saliva sample, providing rapid results without relying on a traditional laboratory.
• : A building material data platform that serves as a one-stop solution for consultants, architects and suppliers to discover, manage and share environmental data, making it easier to select sustainable materials amid a boom in the green building market.