Ever had a breath strip melt on your tongue? Same family of film holds our laundry sheets together.

Quick answer: pullulan is a sugar-based film made by fermenting starch. Most laundry sheets use a PVA film instead. Ours uses a film made from fermented starch, not PVA.^†

What is pullulan?

A polysaccharide, which means a long chain of sugar units. A naturally occurring fungus, Aureobasidium pullulans, is fed starch and makes pullulan. It's purified and formed into a thin, clear film.^†

You've likely met it in dissolving breath strips and some capsules.

Yes, your laundry and your minty fresh breath are related now.

Why a sheet needs a film

Liquid detergent can't ship as a dry strip on its own. The film holds the cleaners in place, keeps the sheet flexible and dissolves in the wash.

It goes in your washer every load. That's why we count it in the seven.

Pullulan vs PVA

What happens to PVA after it dissolves is debated. Both sides are in article 9.

Does a starch film mean biodegradable?

Not automatically. A biodegradable claim needs standard testing. We're having our sheets tested and won't say biodegradable until results are in.^†

The honest claim today: our film isn't PVA, it's a film made from fermented starch, and it's designed to dissolve completely.^†

The small tradeoffs

• Humidity: starch films can be more sensitive, so keep the box closed and dry.
• Very cold water: tear the sheet in half to help it dissolve faster.

We'll share what our own testing shows.

FAQ

Is pullulan safe? It's used in food, breath strips and capsules. In the wash it simply dissolves. Keep any detergent away from kids and pets.

Is pullulan vegan? Yes. It's made by fermenting starch, with nothing from animals.^†

Is pullulan plastic? No. It's a sugar-based polysaccharide, not a synthetic polymer.

Will it dissolve in cold water? It's designed to. For the coldest washes, tear it and drop it in first.^†