Tartaric Acid is an AHA used for pH control and, in acid blends, additional exfoliation.
When present as part of a low-pH AHA system it can contribute to loosening dead surface cells and improving texture. In other formulas it may mainly adjust acidity.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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