Science
Mechanism of Action
This ingredient operates through several key mechanisms. As an emollient, it conditions the skin, improving its texture and suppleness. Its hygroscopic nature enables it to function as a humectant, attracting water molecules from the environment and binding them to the skin, thereby boosting hydration. Furthermore, GLYCERETH-5 LACTATE acts as a solvent, dissolving other components within a formulation, and as an emulsifier/surfactant, it stabilizes immiscible phases like oil and water, ensuring product integrity. Its lactate component may also contribute to broader biological signaling within the skin, potentially influencing cellular functions, pH balance, and the regulation of skin barrier and immune responses.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While a specific optimal pH range for GLYCERETH-5 LACTATE stability is not definitively established, related lactate compounds, such as sodium lactate in Lactated Ringer's Injection, typically exhibit stability around pH 5.0, with a functional range spanning 4.0 to 6.5.
Safety
Safety Profile
The Expert Panel for Cosmetic Ingredient Safety (CIR) concluded that available data were insufficient to determine the safety of glycerin ethoxylates, including GLYCERETH-5 LACTATE, under intended cosmetic use conditions. However, EWG Skin Deep indicates low concerns for cancer, allergies/immunotoxicity, developmental/reproductive toxicity, and usage restrictions. It is recognized by the Natural Health Products Ingredients Database as a non-medicinal skin-conditioning agent, emollient, and solvent.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While GLYCERETH-5 LACTATE offers documented benefits as an emollient, humectant, and emulsifier across all skin types, its overall safety status is currently classified as 'insufficient data' by the CIR Expert Panel, warranting cautious consideration.
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