Maison de Mode CEO Hassan Pierre knows that if sustainable fashion doesn't look as good as everything else on the market, it's not going to make much of a positive impact on the environment.

"I always say that if a shirt saves a thousand lives, but it's ugly, no one's going to buy it," Pierre said on the Glossy Podcast. "So we need, as a retailer, to make people dream and to really make people want to buy things -- not just because they're good, but also because they want to wear them."

Maison de Mode launched in 2015 as a two-part business -- it's an online platform selling sustainable fashion from different labels (both off-the-rack and made-to-order) and a consulting firm, too. Maison de Mode makes a cut of every purchase on the marketplace side, and as a whole, the business grew 161% between March and April, Pierre said.

Like every online retailer, Maison de Mode keeps an eye on purchasing data. During the pandemic, consumers have turned to many of the categories you'd imagine -- "anything that is really beautiful and cozy and comfortable," Pierre said -- but also an unexpected one: fine jewelry.

"We would be out of touch if we were just selling ball gowns and high heels," Pierre said.