These were sold under various Dr. Somebody’s brands.
Even in the 1800’s, reputable doctors knew arsenic was highly toxic, and they tried to warn people away from these products. But for a time, the pallor and waxy, death-like skin arising from arsenic poisoning was a beauty ideal.
At least dozens of deaths were attributed to the use of arsenic wafers as a beauty aid, and the true number might be much greater than anyone knows.
They were often advertised as being safe, as seen on this box.
things that can only be true in USA, where health secretaries and medics will actively work against vaccines because they stand in the way of profit.