Science
Mechanism of Action
This ingredient operates by forming a protective film on the skin's surface, acting as an emollient to reduce moisture loss and impart a smooth texture. As a PEG-8 derivative, it attracts and binds moisture, providing humectant properties, and facilitates the mixing of oil and water phases in formulations as an emulsifier, potentially enhancing the penetration of other active ingredients.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Aqueous solutions of PEG-8 LANOLATE exhibit stability at room temperatures, with PEG bonds resistant to hydrolysis under these conditions. While it can be safely dissolved in warm water (80-90°C), minimizing exposure to elevated temperatures and oxygen, or incorporating antioxidants, is crucial to prevent oxidative degradation.
Conflicts
- Phenol
- Sorbitol
- Tannic acid
- Salicylic acid
- May affect integrity of plastics
- Should not be used on damaged or irritated skin
Safety
Safety Profile
The CIR Expert Panel deems polyether lanolins, including PEG-8 LANOLATE, safe for cosmetic use at concentrations up to 60%. However, caution is advised: it should not be applied to damaged or irritated skin due to potential sensitization and systemic toxicity concerns (e.g., kidney toxicity) observed with PEG-based treatments on burn patients. Impurity concerns, such as ethylene oxide and 1,4-dioxane, are also noted for PEGs generally, although PEG-8 itself is FDA-approved for food additive use and on intact skin.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-8 LANOLATE is a valuable multifunctional ingredient for skin and hair conditioning, particularly for dry and normal skin types, though its use should be avoided on compromised skin due to potential sensitivity and a medium comedogenicity rating.
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