I remember that stuff going back to the 1950s. Maybe it was nade before then? Anyhow, I do wonder if anyone ever sued the companies that made that stuff? The reason is because it ruined more sinks and bathtubs than any other product ever made.
My mother wore the porcelain off her kitchen sink, right down to the cast iron in spots. Her bathtub no longer had any gloss to it, because that stuff wore off the porcelain probably almost to the bare metal. Her bathroom sink was the same way, but my father replaced it and told mom to never use that crap on the new sink.
Of course, with the gloss worn off the tub, it just got dirty easier and that meant mom used more kitchen cleanser...
Heck, when I was an older kid, (teens) and got myself all filthy with car grease or paint, tar, etc. Mom handed me the kitchen cleanser and said go clean yourself up. (I did it once, it burned my skin, I never used it again).
I still see it in the stores, but I wont buy it. From all I know, it was just a fine abrasive and powdered bleach, and maybe some sort of detergent too.
But I bet well over half the sinks and tubs in America were ruined by that crap during the 50's thru the 70's or 80's... And some probably still are being ruined.
I do wonder how many lawsuits were placed aginst the companies that sold that stuff???