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INCI: OAK OR SUMAC
This refers to extracts or components derived from Oak or Sumac plants. These ingredients might be used for their astringent, antioxidant, or soothing properties in skincare.
No specific concern data available
Safety summary
Both oak and sumac can cause skin irritation or allergic reactions in sensitive individuals, particularly if they contain allergenic compounds like urushiol (found in poison sumac).
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.