Science
Mechanism of Action
As a surfactant, Laureth-14 Carboxylic Acid possesses distinct hydrophilic (water-attracting) and hydrophobic (oil-attracting) segments. This amphiphilic structure enables it to significantly lower the surface tension between different phases within a product, promoting the stable dispersion of immiscible substances like oil and water. On the skin, its mechanism involves encapsulating dirt, excess oil, and other environmental impurities, allowing them to be effortlessly rinsed away with water. Beyond cleansing, it contributes to formulation integrity by acting as an emulsifying agent, preventing the separation of components over time.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Laureth Carboxylic Acids exhibit stability across a broad pH range. Their functional performance is pH-dependent, acting as nonionic under acidic conditions and anionic in alkaline environments. The pKa for Laureth Carboxylic Acid is approximately 5.
Conflicts
- alkalis (for storage)
Safety
Safety Profile
A general safety assessment for the Laureth Carboxylic Acid class indicates low acute oral and dermal toxicity. When applied undiluted, it was found to be slightly irritating to rabbit skin and severely irritating to rabbit eyes. At concentrations below 1.5%, moderate eye irritation was observed. To minimize the risk of serious ocular damage, a maximum concentration of less than 10% is recommended for products that may come into contact with the eyes.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Laureth-14 Carboxylic Acid is a valuable, mild surfactant and cleansing agent highly compatible with all skin types, effectively removing impurities while contributing to formulation stability.
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