Science
Mechanism of Action
This ingredient primarily acts as a hydrophilic nonionic surfactant, effectively lowering surface tension to facilitate the formation and stability of emulsions. On the skin, it provides a lubricating effect, resulting in a smooth and soft appearance. In cleansing formulations, it actively minimizes the defatting impact of other surfactants on skin and hair, while also offering superfatting benefits, foam stabilization, and the capacity to reduce erythema and barrier damage.
Research
Clinical Evidence
High confidence60%
Key findings
- 01 In animal studies, concentrations between 10% and 100% caused only mild or negligible skin irritation and were reported as nonsensitizing.
- 02 Patient studies using concentrations from 10% to 60% demonstrated PEG-30 Lanolin to be nonirritating and nonsensitizing.
- 03 Acute studies involving 50% to 100% concentrations indicated little or no eye irritation.
Transparency
Dusting Analysis
PEG-30 Lanolin is a functional ingredient with established roles as an emulsifier, surfactant, and emollient, utilized at concentrations significantly above typical dusting thresholds to achieve its intended effects. It is not considered an inactive filler.
The Formula
Formulation
Stability
A 5% aqueous solution maintains a pH between 3.5 and 8.0. Concentrated aqueous solutions may exhibit slight opalescence at room temperature, which is a reversible phenomenon upon cooling. Prolonged heating exceeding 80 °C should be avoided. The ingredient generally demonstrates low microbiological sensitivity, which can reduce the need for additional preservatives.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed PEG-30 Lanolin and related PEG Lanolin ingredients safe for use in cosmetics. Acute oral, dermal, and inhalation studies confirmed its nontoxic profile. The ethoxylation process may result in trace amounts of 1,4-dioxane; however, this byproduct can be controlled via purification to ensure levels meet regulatory standards. While the FDA monitors 1,4-dioxane, some organizations like EWG express concerns regarding its contamination potential.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-30 Lanolin is a valuable ingredient, prized for its emulsifying, emollient, and surfactant properties, demonstrating a strong safety profile and broad compatibility across many formulations and skin types.
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References
Sources