Citric Acid
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is used in cosmetic products for its preservative and skin care benefits. It acts as a pH adjuster and a chelating agent. Chelating agents form complexes with metal ions, which helps enhance product stability. Citric acid can also be used as an exfoliant in higher concentrations of AHA acids. While its primary role is exfoliating, citric acid can also improve the skin’s ability to bind and retain moisture, helping to maintain skin moisture balance. Additionally, it has mild antimicrobial properties.