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HEXYLDECYL ETHYLHEXANOATE.

Valuable CAS 128165-66-2 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Hexyldecyl Ethylhexanoate is a precision-engineered synthetic ester, crafted to deliver superior skin conditioning and emollience without imparting a heavy or greasy sensation. This ingredient significantly enhances the sensorial experience of skincare formulations, promoting smooth application and a refined, silky skin feel. It additionally supports skin hydration by forming a lightweight moisture-retentive barrier.

Summary

Emollient Skin Conditioning Texture Enhancer Spreadability Enhancer Moisture Barrier Absorption Enhancer

Science

Mechanism of Action

This ingredient operates primarily as an emollient, forming a subtle, non-occlusive film on the stratum corneum that effectively minimizes transepidermal water loss (TEWL), thereby preserving skin hydration and suppleness. Its unique chemical structure contributes to excellent spreadability, optimizing product application and reducing the undesirable greasy texture of other oil-based ingredients. Furthermore, Hexyldecyl Ethylhexanoate may facilitate the enhanced absorption of other active ingredients within a formulation.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Hexyldecyl Ethylhexanoate presents as a clear, oil-like liquid with inherent water-resistant properties. It demonstrates robust stability against oxidative degradation, making it particularly advantageous for sun care applications. Its ease of incorporation allows for versatile use across diverse cosmetic formulations, including lotions, creams, and serums.

Conflicts

  • Salicylic acid
  • Polymethylsilsesquioxane
  • Alpha Arbutin
  • Butylene Glycol Dicaprylate

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
77.3%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that alkyl ethylhexanoates, including Hexyldecyl Ethylhexanoate, are safe for use under current practices and concentrations when formulated to be non-irritating. The maximum reported concentration for the group was 77.3% in rinse-off products and 52% in leave-on lipstick formulations. While Hexyldecyl Ethylhexanoate was noted as 'Not in current use' in a 2013 CIR table, the overall group safety assessment applies. There is no specific SCCS opinion or direct FDA GRAS status identified for this ingredient.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Hexyldecyl Ethylhexanoate is a valuable multifunctional ingredient, offering superior emollience, enhanced product feel, and robust moisture barrier support across a wide range of skin types and product formulations.

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