Science
Mechanism of Action
This ingredient functions by significantly lowering the surface tension of a liquid, enabling it to more effectively penetrate and dislodge dirt and oils from the skin's surface. As an emulsifier, it plays a crucial role in creating stable emulsions, allowing disparate components, such as oil and water, to be finely mixed and maintain their uniformity within a product.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The CIR Expert Panel concluded that PEG-4 Cocamide, as part of a group of alkoxylated fatty amides, is safe for cosmetic application provided it is formulated to be non-irritating. However, the ingredient itself was not widely reported in current cosmetic use at the time of its 2019 assessment. Alkoxylated fatty amides face no restrictions within the European Union. It is important to note that a related compound, PEG-4 Rapeseedamide, may promote yeast growth and is considered unsuitable for skin affected by malassezia folliculitis (fungal acne), suggesting a need for careful consideration with similar PEGs in compromised skin.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While the CIR Expert Panel deemed PEG-4 Cocamide safe for cosmetic use when formulated appropriately, the absence of reported current usage data and specific skin compatibility ratings for this ingredient, combined with potential issues for related compounds on fungal-acne-prone skin, necessitates caution and further investigation for precision skincare applications.
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References
Sources