The chemist explained that alum is a compound often used as an astringent to tighten the skin and remove pimples.
published by Shiela on 2021-11-25 06:56:50
Because it is a chemical that can stop the production of bacteria, alum is sometimes used to make deodorants.
published by Drusilla on 2021-02-05 19:41:44
The product mixers used alum and other chemicals to dye the leather a brown color.
published by Iraida on 2021-10-31 15:27:09