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INCI: BUTYRIC ACID
A short-chain fatty acid naturally found in butter and some plant oils. In cosmetics, it can be used for its aroma or as a building block for other ingredients.
May aggravate
Safety summary
Generally recognized as safe in small amounts. Can have a strong, unpleasant odor in concentrated form.
CAS Number
107-92-6
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.