Doesn't matter what kind of soap she used. That's capital punishment and most school systems do not allow any sort of physical punishment. And how could you punish a Down's kid? They likely have no idea what they're saying, probably just imitating a fellow classmate. That woman looks dumber than a pile of hog leavings.
Soap is not “capital punishment” - take it from one who got it a lot as a kid many many decades ago when parents were not friends, but parents. Capital kid punishment is the belt or the slap.
And yes it does matter what type of soap.
Millions and millions of DS kids got the treatment - so what’s so special about this DS kid?