A friend just bought a true straight razor, figures it will last the rest of his life, strop it when it gets dull, completely recyclable as well, I've used the shaving soap a few times as well and I like the stuff, when I do shave I use it, but more often I just take a pair of buzz clippers and go for a trim, as it's getting warmer that trim will get closer and more often, no batteries there, and the buzz clippers can be taken apart to be serviced, so they should last for a good 20+ years.
if you have a double sided razor blade you can also sharpen old dull blades in a glass drinking glass, hold it in side the glass, and move it around, the glass has just enough imperfection to it that it will grind away at the edge, but is smooth enough that it will leave a fine edge, and the shape works both sharp edges of the blade at once.
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