Science
Mechanism of Action
This ingredient functions by significantly lowering the interfacial tension between incompatible liquids, facilitating the creation of stable emulsions. As an emulsifier, it allows oils and water to form finely dispersed mixtures. Additionally, it acts as a surfactant to cleanse and helps condition the skin, contributing to a smoother feel.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that propylene glycol and polypropylene glycols (PPGs) with 3 or more repeating units (including PPG-12) are safe when formulated to be nonirritating. This assessment extends to alkyl PEG/PPG ethers like PPG-12 CAPRYLETH-18. While clinical studies for related PPGs showed an absence of dermal sensitization at typical use concentrations, potential irritation concerns exist at higher levels. Diluted solutions of analogous compounds (0.1-1%) were reported as non- to mildly irritating, whereas 10% solutions could induce moderate to severe irritation. PPG-12 specifically is associated with low concerns for irritation across skin, eyes, or lungs. No specific SCCS opinion or FDA status was identified for PPG-12 CAPRYLETH-18.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-12 CAPRYLETH-18 is a valuable functional ingredient essential for creating stable emulsions and effective cleansing products, with a favorable safety profile when formulated responsibly.
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References
Sources