Humidity causes razors to rust, which reduces their efficacy and can be unhealthy. Keeping your razor in a ziplock bag with a silica gel packet will keep it sharp for longer.
11. Reduce rusting in your toolbox
Place a couple of packets in your toolbox and keep your tools rust-free.
12. Keep photos safe from moisture
Moisture damages paper. Keep a few packets with your photographs and keep those memories for years.