Question about Riva Shower filter rivaALVA SKIN&HAIR - metal housing with filter cartridge

Arboform (liquid wood) is a biomaterial developed in 1998 that is made from 30 % lignosulfonate, 60 % cellulose and 10 % additives. The additives are subject to commercial secrecy, and nothing is yet known about the energy required for production and processing.

Darko I don't know either, I bought it and will wait and see if it really promises what it says.