Science
Mechanism of Action
Hexyldecanoic acid functions by lowering the surface tension of liquids, acting as a surfactant to facilitate the mixing of immiscible substances like oil and water. This mechanism underpins its role in cleansing formulations, aiding in the removal of impurities from skin and hair. Its branched molecular structure can further contribute to the stability and textural characteristics of a product, and it may also exhibit mild antimicrobial activity.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient demonstrates stability under standard ambient conditions. It is, however, combustible and should not be formulated with strong oxidizing agents. The predicted pKa value is 4.90±0.40.
Conflicts
- strong oxidizing agents
Safety
Safety Profile
Hexyldecanoic acid is classified with hazard statements including H315 (causes skin irritation), H317 (may cause an allergic skin reaction), and H319 (causes serious eye irritation). In a 28-day repeated dose oral toxicity study in rats, a No Observed Adverse Effect Level (NOAEL) of 1,000 mg/kg was observed. It is readily biodegradable, achieving 85% biodegradation within 28 days, though it is classified as very toxic to aquatic life (H400) and toxic with long-lasting effects (H411).
Your Skin
Skin Compatibility
Our Assessment
Verdict
While effective as a cleansing, surfactant, and emulsifying agent for formulation stability, its classification with explicit hazard statements for skin irritation and potential for allergic reactions, coupled with an 'unknown' CIR safety review status, raises significant concerns for precision skincare.
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