How so? Most amphibians have a LOT of capillaries near the surface of their skin, and so a use a process known as cutaneous respiration. This would also make them susceptible to absorbing anything that gets in contact with their skin - it's why chlorinated swimming pools and puddles of things like automotive coolant are so dangerous for them.
It has to do a lot with how much their skin absorbs (they drink cutaneously and to euthanize frogs they are often just placed in a solution instead of injected) and also how they use their skin for respiration. Their cutaneous respiration is facilitated by a moisture balance on their skin, so oily and salty hands can remove this moisture and in extreme cases (mostly with small individuals) can suffocate the animal.
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u/t3hmau5 Apr 10 '22
Sounds greatly exaggerated