Science
Mechanism of Action
This synthetic compound acts multifactorially to improve skin condition and product aesthetics. On the skin, it delivers a softening and smoothing effect by forming a protective barrier that reduces transepidermal water loss. It also enhances hydration through its humectant-like ability to attract water molecules, while offering a soothing sensation. As a surfactant, it critically supports the stable incorporation of oil and water phases in cosmetic formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This compound exhibits minimal water solubility (9.0 x 10^-4 g/L at 23 °C) and is highly soluble in n-octanol (652-702 g/L at 20°C), confirming its primary oil-soluble nature. While generally stable, structurally similar ingredients have shown a propensity for oxidation.
Conflicts
- strong oxidants
Safety
Safety Profile
While no specific SCCS or independent FDA status is available, the CIR Expert Panel deemed PPG-1 Hydroxyethyl Caprylamide safe for cosmetic use under current practices and concentrations, provided formulations are non-irritating. This assessment leveraged a 'read-across' methodology from structurally similar compounds like PPG-2 Hydroxyethyl Cocamide, for which a maximum concentration of 0.35% in leave-on face and neck products has been suggested. Toxicological data indicates low overall toxicity and minimal adverse effects at typical usage levels.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-1 Hydroxyethyl Caprylamide is a valuable multifunctional ingredient, effectively enhancing skin hydration and texture while ensuring stable formulation, provided it is incorporated within non-irritating concentrations.
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References
Sources