Harry's
Harry's leans on a heavier, part-metal handle as its selling point, but the razor is still a cartridge system: the part you replace forever is a plastic five-blade cartridge with a lubrication strip, and that isn't curbside recyclable. The upgraded handle is the hook; the plastic cartridge is the ongoing reality.
How clear are their specs?
Highlights the handle's metal weight and blade design but doesn't disclose cartridge resins or address recyclability.
Products to avoid
Documented so you know what to skip — each still has a full breakdown and sources.