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Please don't take this the wrong way, Carl, but I have to ask; you're suggesting that the damage to the head is due to either the lather from a TOBS cream (a popular, well-used manufacturer of shaving cream amongst the sort of people who buy Weber razors), or slightly acidic water?
If that's the case, then I suggest the thing isn't fit for purpose. It's surely reasonable to expect the head of a safety razor to come into contact with water (which may be slightly acidic) and lather (which may come from Taylors)? If the head coating cannot tolerate either of these factors (or both), then it should come with information that it should not be used in acidic water or with TOBS products. According to the following document:
https://www.dwrcymru.com/English/library/publications/Drinkingwaterquality/english_pub.pdf
Welsh tap water should be no more acidic than pH6.5, which is just on the acidic side of neutral. It can be up to pH9.5, which is pretty basic (alkaline), so, if it is the water that's doing it, it may be due to the caustic effect of basic pH.
As I said, I'm not being sarcastic or snide; I'm genuinely posing the thought that a razor which degrades in tap water in a country with some of the best-quality tap water anywhere, or on contact with certain commonly-used traditional shving creams, seems to me to be flawed.
If that's the case, then I suggest the thing isn't fit for purpose. It's surely reasonable to expect the head of a safety razor to come into contact with water (which may be slightly acidic) and lather (which may come from Taylors)? If the head coating cannot tolerate either of these factors (or both), then it should come with information that it should not be used in acidic water or with TOBS products. According to the following document:
https://www.dwrcymru.com/English/library/publications/Drinkingwaterquality/english_pub.pdf
Welsh tap water should be no more acidic than pH6.5, which is just on the acidic side of neutral. It can be up to pH9.5, which is pretty basic (alkaline), so, if it is the water that's doing it, it may be due to the caustic effect of basic pH.
As I said, I'm not being sarcastic or snide; I'm genuinely posing the thought that a razor which degrades in tap water in a country with some of the best-quality tap water anywhere, or on contact with certain commonly-used traditional shving creams, seems to me to be flawed.