Leather alternatives made from fungi, plants, and biomaterials have attracted significant attention as a more sustainable option than traditional leather. But behind these innovations lies a striking financial story: more than a billion dollars has been invested in companies developing these materials, yet some of the most prominent products have been unable to remain on the market.

To me, this raises an important question: Is it enough for a product to be innovative and sustainable to become a successful investment?

When Capital Isn’t Enough

Capital helps companies with research and development, manufacturing, and scaling, but it does not guarantee a product’s commercial success.

Three prominent leather alternatives have halted production, facing challenges related to price, performance compared with traditional leather, and brands’ willingness to use them on a large scale. This is where the difference between a successful idea and a successful business model becomes clear.

If production costs are high and the market is not willing to pay a premium, achieving profitability becomes more difficult.

The Cost of Innovation

New products typically require significant spending on research and development, manufacturing, and scaling before they can generate stable revenue.

This is where the break-even point becomes important: the higher the cost of producing a sustainable alternative, the higher the price or the greater the sales volume the company needs to cover its costs and begin making a profit.

Sustainability Itself Needs to Be Measured

The term “sustainable alternative” does not automatically mean that a product has no environmental impact. Many plant-based leather alternatives also contain plastic in varying proportions.

Therefore, it is not enough to consider only the material used; we must also examine the product’s life cycle, production cost, and useful life. Like financial performance, sustainability cannot be judged by a single metric.

What Does the Accountant See?

A consumer may see a bag made from fungi or cactus as an innovative, environmentally friendly product, while an accountant asks: How much did it cost to develop? What is the cost of producing each unit? How many sales are needed to cover the costs? And can the project generate cash flow and a return on invested capital?

In my view, the struggles faced by some leather alternatives do not mean that investing in sustainability is a failed idea. Rather, they show that environmental goals and economic viability must move forward together.

Innovation needs capital to get started, but continued operation requires a business model capable of funding itself.

So perhaps the only question is not: Is this product better for the environment? It is also: Can it be produced and sold in a way that makes it environmentally and financially sustainable at the same time?