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+1 on the heat with some soaps. I keep a log on them so I know th e next time. If they don't handle a lot of heat, I pass them on. Razorock soaps all seem to be good with heat

RR rocks in heat!! I like you love a hot scuttle, if the soap breaks down under heat, I move on to a soap that does not

some soaps are and some are not. I find the razorocks hold up well. I put hot water from the tap in mine and then microwave it and it really gets hot. But again the heat will break down some soaps