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When you say "sterilisation" what do you mean? All you need to do to clean a razor is wipe it with some barbicide, so dont go down the road of autoclaving it or boiling it or anything.

An...

You can use pretty much any material you like as long as its strong enough.

Common materials are bone, wood, ivory (if you can get the pre-ban stuff), micarta, acrylic, lucite and carbon fibre....