The dye industry, heavy on the use of petrochemicals, is one of the world’s biggest polluters. Now dyes can be made by microorganisms that -grow- colors.
The dye industry, heavy on the use of petrochemicals, is one of the world’s biggest polluters. Now dyes can be made by microorganisms that -grow- colors.
There are artificial colors that are not known to be harmful, so would that also mean they are without chemicals?