Science
Mechanism of Action
This ingredient primarily functions as a gentle foaming surfactant, effectively reducing surface tension to blend oil and water. This action facilitates the removal of dirt, excess oil, and makeup. Beyond cleansing, it acts as an emulsifier, stabilizing oil- and water-based components within formulations to achieve a uniform texture. Additionally, it exhibits humectant properties, drawing moisture to the skin to enhance hydration and prevent dryness, all while producing a rich, creamy lather and leaving a soft, smooth after-feel.
Research
Clinical Evidence
Medium confidence1-5%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Taurates typically maintain stability across diverse pH ranges and are resistant to hard water. However, SODIUM METHYLTAURINE COCOYL METHYLTAURATE can be susceptible to hydrolysis under extreme acidic or alkaline conditions, suggesting an optimal formulation pH within the neutral to mildly acidic/alkaline range.
Conflicts
- strong acidic conditions
- strong alkaline conditions
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed Sodium Methyl Cocoyl Taurate's safety for cosmetic use when formulated to be non-irritating, typically appearing in concentrations of 1-5%. It has demonstrated a low potential for allergic reactions, with no sensitization observed in guinea pig studies at 100% (induction) and 20% (challenge). The Environmental Working Group (EWG) assigns it a 'low' concern rating for cancer, allergies, immunotoxicity, and developmental/reproductive toxicity. While in vitro tests indicate no genotoxicity, high concentrations (e.g., 100% in rabbits or 20% in a BCOP test) have shown ocular irritancy.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable, mild surfactant, emulsifier, and humectant, highly compatible with all skin types due to its low irritancy and effective yet gentle cleansing action, making it ideal for precision skincare formulations.
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References
Sources
- puracy.com ↗
- lesielle.com ↗
- specialchem.com ↗
- skinkraft.com ↗
- echemi.com ↗
- cosmileeurope.eu ↗
- upichem.com ↗
- sunwisechem.com ↗
- incidecoder.com ↗
- cir-safety.org ↗
- nih.gov ↗
- ewg.org ↗
- unilongmaterial.com ↗
- cosmeticsandtoiletries.com ↗