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DOS= dreaded orange spots, aka rancidity. It can be caused by oxidized oils, exposure to sunlight, and exposure to metal or other contaminants. Your soap should not be in contact with any metal other than good quality stainless steel.
 
DOS= dreaded orange spots, aka rancidity. It can be caused by oxidized oils, exposure to sunlight, and exposure to metal or other contaminants. Your soap should not be in contact with any metal other than good quality stainless steel.
Wow, thanks for the forewarning. That info is invaluable. I wonder if my cutter (made out of metal) may oxidize my soaps faster

You can search online for some images to get the idea ‐ there are plenty and it's hard to be mistaken with something else most of the time. Those orange spots can even smell like rancid oil if they get bad enough
I'll definitely keep that in mind. Thanks for the info
 
Wow, thanks for the forewarning. That info is invaluable. I wonder if my cutter (made out of metal) may oxidize my soaps faster
I have metal cutters and so far haven't had issues. Maybe the time needed to cut the soap is not enough to affect it, or maybe the steel used for the board/wire is of good quality (which I highly doubt, especially the wire). It's most likely the short time they're in contact
 
Soap cutters are supposed to be made with stainless steel wires, so that the soap doesn't come in contact with the kinds of metals that can cause DOS. I normally buy replacements for mine at music stores; an unwrapped stainless G string for a guitar is the right gauge and is much less expensive than buying the same thing from a soap supplier.
 
I forgot to mention that one of those 'soap' cutters I use is actually a cheese cutter. I am not exactly sure what the quality assessments of their wires are, but it makes sense not to let food get in contact with rust or the like, so maybe it is good SS after all.

I changed the wire of one with fishing line (several steel cords twisted and coated with nylon), but I'm yet to try it out. If it works as expected, it would be a killer, because of the low price
 
I had a stamp made by remarkablestamps.com. They did a great job. It is made of acrylic.
 

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I ended up getting the metal stamp, because I want to also use it as an ink stamp and wax stamp. Later, may get one specifically for marking wood
It's good to get something that can be used for multiple purposes. And you can still use this for soap, as long as you put a layer of plastic wrap over the metal before you stamp the soap. There is still the possibility that the wrap could tear, exposing the soap to the metal, so don't use anything too cheap/thin. Glad's Press N Seal is thick and doesn't tear easily. :)
 
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