Science
Mechanism of Action
This ingredient functions by forming a breathable, hydrophobic barrier that significantly reduces transepidermal water loss (TEWL). Beyond occlusion, its chemical structure allows it to integrate into the stratum corneum's lipid bilayers, temporarily modulating their organization to improve the transdermal delivery of co-formulated active ingredients.
Research
Clinical Evidence
High confidence7%
Key findings
- 01 Demonstrated as a core component of a cetylated fatty ester complex at 7% concentration to enhance the delivery of medicaments by disrupting lipid packing.
- 02 Identified as a primary structuring agent in self-emulsifying systems at concentrations between 3% and 15%, providing stability in electrolyte-rich environments.
Transparency
Dusting Analysis
Because it acts as a structural agent and carrier, concentrations below 1% are typically insufficient to provide significant occlusive benefits or facilitate active ingredient penetration.
The Formula
Formulation
Stability
Exhibits exceptional stability across a broad pH range and remains resilient in the presence of electrolytes. It is a waxy solid at room temperature.
Synergies
- Lipophilic active ingredients
- Cetylated fatty esters
- Self-emulsifying waxes
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
The CIR Expert Panel confirmed safety up to 57% in leave-on products, though it is most effective in skincare between 1% and 10%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent multifunctional ester for dry and compromised skin types, particularly valued for its ability to improve the bioavailability of other actives.
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References
Sources