: Adjectis synonymis et veteribus et recentioribus ac novissimarum analysium chemicarum summis. Systematis mineralium naturalis prodromus. OCLC 995480390. ^ a b Topical preparations of zinc include Those people used on the pores and skin, usually in the form of zinc oxide. Zinc oxide is generally recognised through the FDA https://holdenbmpqs.bloggadores.com/26472969/indicators-on-zinc-sulfide-you-should-know