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INCI: ONION OIL
An essential oil derived from onion bulbs, sometimes used in hair care products for its purported benefits, though its strong odor limits widespread use.
No specific concern data available
Safety summary
May cause skin irritation or sensitization in some individuals due to its sulfur compounds.
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.