Science
Mechanism of Action
This ingredient primarily operates on the skin's surface, leveraging its emollient properties to impart a soft and smooth feel. Within a formulation, its emulsifying capability is crucial for creating stable mixtures of oil and water phases, thereby ensuring product uniformity and optimal delivery of other active ingredients to the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Conflicts
- Must be formulated to be non-irritating, as per the CIR Expert Panel's safety assessment for the ingredient group.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel evaluated PEG-42 Mushroom Glycerides as part of a larger cohort of 60 PEGylated alkyl glycerides in 2014. The Panel concluded that these ingredients are safe for cosmetic use under current practices of use and concentration, provided they are formulated to be non-irritating. This determination superseded an earlier 1999 report that had imposed a 10% concentration limit for some related PEG glyceryl cocoate ingredients in leave-on products. Notably, at the time of the 2014 review, PEG-42 Mushroom Glycerides was not reported to be in current cosmetic use, thus no specific maximum concentration for its application was established. While certain ingredients within the broader group demonstrated irritation at concentrations exceeding typical cosmetic levels, the overarching safety conclusion mandates that final products incorporating these ingredients must be proven non-irritating.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While PEG-42 Mushroom Glycerides offers potential as an emollient and emulsifier, specific usage data and clinical efficacy for this exact ingredient are limited, making a definitive recommendation challenging at this time.
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