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INCI: SODIUM HYDROXIDE (LYE)
An inorganic compound, also known as lye or caustic soda, commonly used in cosmetics as a pH adjuster and in the saponification process for soap making.
No specific concern data available
Safety summary
Highly alkaline and corrosive in concentrated forms; however, it is generally considered safe in cosmetics when used at low concentrations and properly neutralized in the final product.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.