According to the February 26, 2020 Safety data sheet (SDS), Bar Keepers Friend Cleanser contains:
- 85–94% glass oxide (CAS 65997-17-3),
- 5–10% oxalic acid (CAS 144-62-7), and
- 1–5% benzene sulfonic acid, mono C10–16 derivatives, sodium salt (CAS 68081-81-2).
The product called “original” contains only feldspar. For other products, the Bon Ami website lists the following as main ingredients: feldspar, limestone, water, baking soda, citric acid, corn alcohol, epsom salts, essential oils, and xanthan gum.










Kind of funny: When Wikipedia was new, people often said that you couldn’t trust information on it because anyone could have written it, even if they were unqualified, biased, or deliberately deceptive. I guess that’s still true today, but with the advent of automated misinformation generators, the Wiki almost seems authoritative in comparison.