Science
Mechanism of Action
This ingredient operates by lowering the surface tension between disparate substances, facilitating the stable mixing of oil and water phases within a cosmetic formulation. Its surfactant properties also contribute to foam enhancement, while its conditioning capabilities help to improve skin texture.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Optimal stability is inferred to be within a pH range of 4.0 to 7.0, based on data from the structurally related ingredient PPG-26-Buteth-26. It is frequently employed to solubilize fragrance components in water-based systems and is often paired with PEG-40 Hydrogenated Castor Oil to enhance emulsification and foaming.
Synergies
- PEG-40 Hydrogenated Castor Oil
Safety
Safety Profile
The CIR Expert Panel identified insufficient data for a comprehensive safety assessment. Notably, mouse skin painting studies indicated potential tumor promotion at high concentrations. Furthermore, this ingredient demonstrated mild ocular toxicity, and the broader class of PPG Buteths has been associated with skin irritation in animal testing. Its FDA status is specific to industrial applications, not cosmetic safety, and SCCS status remains unknown.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to insufficient safety data from the CIR Expert Panel, potential tumor promotion observed in animal studies at high concentrations, and reported mild ocular toxicity, this ingredient is not recommended for precision skincare formulations.
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References
Sources