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Pareth-9 is a synthetic polymer often used as an emulsifier or surfactant in cosmetic formulations. It helps to mix oil and water-based ingredients and can aid in cleansing.
No specific concern data available
Safety summary
Generally considered safe for topical use. Like many surfactants, it can potentially cause mild irritation in very sensitive individuals, especially in rinse-off products.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.