Science
Mechanism of Action
This ingredient operates by significantly reducing the surface tension of substances within a formulation. As an emulsifier, it enables the stable blending of otherwise immiscible oil and water-based components. In cleansing applications, it helps water solubilize and carry away oils and dirt from the skin and hair. Furthermore, it ensures the uniform distribution of insoluble solid particles, such as mineral UV filters or pigments, acting as a reliable dispersing agent.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While OLETH-5 PHOSPHATE itself demonstrates wide pH tolerance, general phosphate buffers are noted for optimal stability between pH 5 and 7.
Conflicts
- Not for use on compromised or damaged skin barriers due to potential irritation.
- May enhance the dermal penetration of other active ingredients, requiring careful formulation assessment to prevent unintended side effects.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Oleth ingredients, including OLETH-5 PHOSPHATE, are safe for use as currently practiced in cosmetic formulations. However, data indicates a potential for mild to moderate eye and skin irritation, consistent with other surfactants. Due to this, application on damaged skin should be avoided. Formulators must also consider its capacity to increase the penetration of other ingredients. Trace amounts of 1,4-dioxane, a by-product of the ethoxylation process, may be present but can be effectively managed through appropriate purification steps.
Your Skin
Skin Compatibility
Our Assessment
Verdict
OLETH-5 PHOSPHATE is a valuable multifunctional ingredient, crucial for product stability and performance due to its emulsifying, cleansing, and dispersing properties, though its potential for irritation and enhanced ingredient penetration necessitates careful formulation considerations.
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