How an accidental discovery led to this temporary paint you can peel off your wall
Briefly

"Our journey toward identifying the right natural and renewable sources involved extensive R&D, collaborating with agricultural sectors to find biodegradable and carbon-negative alternatives. Serendipity also played a role [...] we realized its potential to form the basis of a peel-able paint, which ultimately led to the creation of Unpaint."
"One of the biggest challenges of Unpaint was balancing durability and peel-ability. The paint needed to stick well enough to surfaces like wood, metal, and drywall, yet remain easy to remove without damaging those surfaces."
Read at Fast Company
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