Science
Mechanism of Action
This ingredient acts by creating a non-aqueous, protective barrier on the skin's surface, effectively reducing transepidermal water loss (TEWL). This occlusive action traps moisture, leading to improved skin hydration and a smoother, softer texture. Beyond its emollient properties, it also serves as a non-aqueous viscosity enhancer, a binder for solid components, and a wetting agent, particularly for pigments and UV filters within cosmetic formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
It demonstrates extremely low solubility in water, estimated at 4.7 x 10^-10 g/L at 25 °C across a broad pH range of 1-10, confirming its oil solubility. No specific optimal pH range for its stability or performance in a finished product has been explicitly identified.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed Pentaerythrityl Tetramyristate, alongside 15 other related compounds, safe for use at current concentrations and practices. This determination was based on comprehensive animal and human data, as well as prior assessments of its fatty acid constituents. Its inclusion in cosmetic products is voluntarily reported to the FDA. No evaluations from the SCCS were found.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Pentaerythrityl Tetramyristate is a valuable emollient, particularly beneficial for dry skin due to its occlusive properties and established safety profile for current uses.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources