Science
Mechanism of Action
This ingredient operates as a mild anionic surfactant, effectively removing surface impurities and excess oil from the skin without causing excessive stripping. Its unique molecular structure, comprising hydrolyzed collagen peptides linked to coconut fatty acid chains, allows it to function simultaneously as a skin conditioning agent and a humectant. It actively binds moisture within the stratum corneum, thereby reducing sensations of dryness and contributing to improved skin elasticity and overall smoothness. Additionally, it aids in generating a delicate foam, which enhances the user experience, and may leave a light, protective layer that reinforces the skin's natural barrier function. In hair care applications, it also exhibits anti-static properties.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
There is no information to suggest that Sodium Cocoyl Hydrolyzed Collagen is commonly 'dusted' or used for marketing purposes at ineffective concentrations.
The Formula
Formulation
Stability
Sodium Cocoyl Hydrolyzed Collagen is water-soluble and maintains optimal stability within a pH range of 5.0 to 6.5. This pH range is consistent with the typical isoelectric point (pI) shift of hydrolyzed collagen, which generally falls between 3.68 and 5.7. It is suitable for incorporation into formulations across various pH levels, including low pH cleansing products.
Conflicts
- Potential for nitrosamine formation if formulated with nitrosating agents, a specific concern for related ingredients in this class, particularly those containing TEA (triethanolamine).
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Sodium Cocoyl Hydrolyzed Collagen, along with other cocoyl hydrolyzed collagen ingredients, is safe for use in cosmetics under current practices and concentrations. While specific maximum concentrations for this exact ingredient were not reported, related ingredients in its class have been safely tested in clinical studies at up to 20%. The FDA classifies gelatin, the base for collagen peptides, as safe, and European Cosmetics Regulation also recognizes its safety. It is generally well-tolerated and non-irritating; however, individual sensitivity can occur, and a patch test is advisable for individuals with known sensitive or allergy-prone skin. It is important to note that a related ingredient, TEA-Cocoyl Hydrolyzed Collagen, was suspected of forming N-nitrosodiethanolamine in the presence of nitrites and other nitrosating agents, a consideration for careful formulation practices.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Cocoyl Hydrolyzed Collagen is a valuable, multi-functional ingredient that provides gentle cleansing alongside significant skin conditioning and moisturizing benefits, making it suitable for all skin types.
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