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emollient · emulsifier · thickener

Arachidic Acid

Generally safe·Strong evidence

A long-chain fatty acid with 20 carbons, commonly used in emulsified creams and bar products. Like other saturated fatty acids reviewed by CIR, it is well-tolerated and serves primarily as an emulsifier and texture builder.

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.