Let's put Paw's law to rest. Anyone who finished highschool should un Know that the two are different chemicals. The first has hydroxy the second doesn't. As

Let's put Paw's law to rest. Anyone who finished highschool should un Know that the two are different chemicals. The first has hydroxy the second doesn't. As a side note: a quick google search indicates that the one with hydroxy is an improvement and is less toxic and brings less side effects.