Science
Mechanism of Action
It primarily acts as a penetration enhancer, temporarily modifying the skin barrier to improve the absorption of other active ingredients. Additionally, it functions as a humectant, drawing moisture to the skin surface.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Typically used at 1-10% in cosmetic formulations to improve ingredient function, penetration, and humectant benefits.
- 02 Formulated in FDA-approved topical products up to 49.9% (marketed as Transcutol®).
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient is stable, hygroscopic, and heat tolerant, enhancing emulsion stability and reducing viscosity. It is light-sensitive and should be added to the water phase.
Synergies
- Enhances the efficacy and absorption of various active ingredients by improving their delivery into the skin.
Conflicts
- No direct incompatibilities with specific skincare ingredients have been consistently reported.
Safety
Safety Profile
Both CIR and SCCS deem it safe for cosmetic use, with SCCS allowing up to 2.6% in leave-on formulations. It is also FDA-compliant, used in pharmaceutical products up to 49.9%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable multi-functional ingredient known for significantly improving the penetration of active compounds, hydrating the skin, and stabilizing formulations.
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References
Sources