Swiss startup Seprify raises €13.4M to replace titanium dioxide with cellulose

Swiss startup Seprify has raised €13.4 million to scale a cellulose-based alternative to one of the most widely used, and increasingly banned, industrial whiteners on the planet. IKEA is backing it. Somewhere in Southeast Asia, a small beetle called Cyphochilus produces the whitest surface found in nature, not through pigment, but through the microscopic structure […]