Science
Mechanism of Action
This ingredient operates as a cationic surfactant, which contributes to its ability to prevent or reduce static electricity, particularly in hair. It also exhibits antimicrobial characteristics, making it suitable for disinfectant and antiseptic formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Stearamine is not typically evaluated for 'dusting' percentages in the context of direct skin efficacy. Its main concerns revolve around safety and impurity levels rather than efficacy thresholds for specific skin benefits.
The Formula
Formulation
Stability
Stearamine (Stearylamine) is predominantly insoluble in water, though it can absorb water to form hydrates. It demonstrates good solubility in a range of polar and non-polar organic solvents, including mineral oils, fats, alcohols, and both aliphatic and aromatic hydrocarbons.
Conflicts
- Nitrosating systems (due to potential for nitrosamine formation)
Safety
Safety Profile
The CIR Expert Panel concluded that data were insufficient to assess the safety of Stearamine in cosmetic and personal care products, requesting further information on use, impurities (especially nitrosamine content), genotoxicity, and dermal irritation/sensitization in humans. In the European Union, monalkylamines, including Stearamine, may be used in cosmetic products provided the maximum secondary amine content does not exceed 0.5%, with an ingredient purity of 99% or greater, and a maximum nitrosamine content of 50 micrograms/kg. These ingredients must not be formulated with nitrosating systems and require storage in nitrite-free containers.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to insufficient safety data from the CIR Expert Panel and stringent formulation requirements to mitigate the risk of nitrosamine formation, Stearamine's suitability for precision skincare remains under evaluation.
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References
Sources