Science
Mechanism of Action
As an amphoteric surfactant, Sodium Cocaminopropionate possesses a unique molecular structure featuring both anionic (carboxylate) and cationic (amino) groups. This dual charge enables it to reduce water's surface tension, facilitating the emulsification and removal of oils and dirt from the skin and hair. Its action results in effective cleansing and contributes to enhanced foam generation and stabilization, alongside improved hair feel and appearance.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 A repeated insult patch test demonstrated that Sodium Cocaminopropionate at a 10% concentration was neither an irritant nor a sensitizer.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Its amphoteric structure ensures broad pH functionality and exceptional stability, even in high-electrolyte aqueous environments. However, its performance in terms of foaming, wettability, and solubility is notably diminished within its isoelectric range, approximately pH 2.5 to 4.5.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Sodium Cocaminopropionate and related amphoteric ingredients safe for use in personal care products, a conclusion reaffirmed multiple times, including a 2023 safety assessment. While 10% was directly tested as non-irritating/non-sensitizing, related amphoacetates have established safety profiles up to 20% in rinse-off applications. Regulatory oversight generally falls under broad provisions for cosmetics, with no specific SCCS opinion identified for this ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Cocaminopropionate is a valuable, mild amphoteric surfactant, proven safe and highly compatible with all skin types, making it ideal for effective yet gentle cleansing formulations.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources