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INCI: COSTUS OIL
Saussurea Costus Root Oil, also known as Costus Oil, is an essential oil derived from the roots of the Costus plant, traditionally used in perfumery for its unique aroma and sometimes in skincare for its purported soothing properties.
No specific concern data available
Safety summary
Can be a sensitizer and allergen for some individuals, and its use in cosmetics is restricted due to potential photosensitization and irritation.
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.