“Henna is a flowering plant which has been used by humans since ancient times to dye skin, hair...Henna
“A universal solvent is a hypothetical substance that has the ability to dissolve any material...Universal solvent
“Fluoride is a natural chemical compound that is effective at preventing tooth decay. As such, it...Fluoride
“E331 is the European code used to refer to any of the three kinds of sodium citrate (sodium...E331
This category has the following 8 subcategories, out of 8 total.