There are social and environmental impacts. You might be working with a factory that underpays its staff or mistreats its workers, or mishandles the dyes. I think that conscious fashion, fashion for our soul, needs to keep pushing that needle towards being better and more mindful.

I've always been very aware of environment. When I was a kid I wanted to be a marine biologist until I realized I hated being underwater. I think a lot of that came from traveling and seeing the levels of waste produced by so many factories around the world.

Knowledge creates the demand. The more people know about it, the more people will be interested and demand for things to be produced in a careful, conscious way.

I always use a really simple analogy: if you're putting organic food on your table because you care about eating well, shouldn't you be trying to do the same with what you're putting on your body? Our skin is our biggest organ. Everyday you are absorbing things through it. The way that a cream without the right ingredients can affect you, everything you put on your skin matters.

There's strength in numbers. One designer isn't going to change everything. Everyone has to demand that their materials are being sustainably sourced. Just like how cosmetic companies won't test on animals, there have to be benchmarks that we can all adopt.

It would be great if everybody got a conscience. If we started to take more responsibility for the pollution in the world caused by the fashion industry, and to produce less, but better-thought-out goods. Then it becomes worth saving up to buy something beautifully-designed because you can and will keep it, rather than buying a bunch of disposable fashion items you'll probably wear once before throwing away and adding to the waste stockpile. I do think people used to buy clothing with a more thoughtful approach.

For us, every day is Earth Day. It's like with Women's Day recently, I said, "Every day is women's day - we're women!" It's something that we sort of take for granted.