Acetic acid, also known as acetic acid, is obtained by fermentation and has an antimicrobial effect and regulates the pH value of a cosmetic formulation. (1)

(1) Kareem G. Elhage;Kayla St. Claire;Steven Daveluy; (2021). Acetic acid and the skin: a review of vinegar in dermatology . International Journal of Dermatology, (), -. doi:10.1111/ijd.15804