Tetrasodium EDTA is a chelating agent used to bind metal ions in formulas.
It protects against metal-driven instability and helps preservatives work more reliably, especially in water-rich cleansers. It has no direct treatment benefit.
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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