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INCI: BLACK WALNUT HULL
An extract obtained from the hull of the black walnut, Juglans nigra, sometimes used in cosmetics for its astringent and skin-toning properties.
No specific concern data available
Safety summary
Generally considered safe for topical use, but some individuals may experience skin irritation or allergic reactions.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.