Undecylenoyl PEG-5 Paraben

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Undecylenoyl PEG-5 Paraben is a synthetic preservative widely used in cosmetics, skincare, and pharmaceutical products to prevent the growth of harmful bacteria, mold, and fungi. While parabens are effective in extending the shelf life of products, they have been subject to scrutiny due to concerns over their potential impact on hormone function, as some studies suggest they may mimic estrogen in the body. As a result, many brands have opted for paraben-free formulations, replacing them with alternative preservatives such as phenoxyethanol or ethylhexylglycerin.

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