Science
Mechanism of Action
This ingredient operates by modifying product rheology, acting as an effective thickener and stabilizer to enhance the texture and overall skin-feel of cosmetic formulations. Its film-forming capacity allows it to create a physical barrier on the skin's surface, contributing to skin conditioning, while also assisting in the suspension of insoluble particles. It additionally possesses antistatic properties.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Exhibits good stability across a range of acidic and alkaline conditions. However, its stability may be compromised at elevated temperatures. Direct contact with strong oxidizing agents should be avoided in its solid form to prevent adverse reactions.
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) assessed Starch Diethylaminoethyl Ether as part of its 2015 safety review for polysaccharide gums. The overall conclusion for this ingredient class (excluding hydrolyzed carrageenan) was that they are safe in current cosmetic uses and concentrations. No specific maximum concentration for this individual ingredient has been identified. It is also recognized as 'Approved' by the EPA TSCA Inventory.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Starch Diethylaminoethyl Ether is a valuable formulation aid that enhances product texture, stability, and skin feel, backed by a favorable safety assessment from CIR for its ingredient class.
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