INCI: Citric Acid
CAS# 77-92-9
RAW Ingredient: Citrus Fruit
It is derived from citrus fruit by fermentation of crude sugars. It is used as an astringent and as a preservative to adjust the acid-alkali balance. (1)
Biodegradability and Natural Origin:
Citric acid is produced by fermenting glucose syrup derived from renewable sources like corn. As a result, it is classified as a natural cosmetic ingredient. Its biodegradability means that it can be broken down by natural processes after use and reintegrated into the environment. (2)
1 camdengrey.com.essential-oils/citric-acid.html
2 https://www.jungbunzlauer.com/en/news/view/citric-acid-in-personal-care-products