Science
Mechanism of Action
As a potent surfactant, Sodium Trideceth-3 Carboxylate effectively lowers the surface tension of liquids, enabling water to thoroughly intermix with oils and dirt for efficient rinsing. This action supports the creation of a rich, stable lather and facilitates the formation of consistent emulsions between disparate oil and water phases within product formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient demonstrates stability under standard storage conditions. It is known to exhibit good stability in hard water environments, a characteristic shared with related carboxylates. Its structure allows for neutralization with alkali, providing formulators with flexibility in adjusting the final pH of a product.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) panel deemed related ethoxylated alcohols safe when formulated to be non-irritating. While EWG indicates low concerns for cancer, allergies, and developmental toxicity, a notable concern exists regarding potential contamination with Ethylene Oxide and 1,4-Dioxane, necessitating careful sourcing and formulation practices. No specific SCCS opinion or FDA cosmetic use status has been identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Trideceth-3 Carboxylate is a valuable cleansing and emulsifying agent for a broad range of products, suitable for all skin types due to its low irritancy, though manufacturers must mitigate potential ethoxylation by-product concerns.
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References
Sources