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OCTYLDODECYL NEOPENTANOATE.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

Octyldodecyl Neopentanoate is a synthetic ester that functions as a sophisticated emollient and skin conditioning agent. It imparts a remarkably silky, non-greasy feel to skincare formulations while effectively enhancing skin hydration, softness, and smoothness through barrier support. Furthermore, it offers the significant benefit of boosting a product's SPF value.

Summary

Emollient Skin conditioning SPF booster Sensory enhancer

Science

Mechanism of Action

This ingredient operates by forming a lightweight, protective film on the skin's surface, which significantly reduces trans-epidermal water loss and locks in essential moisture. Its low viscosity design ensures a dry, non-oily finish, counteracting the heavy or greasy sensation often associated with other formulation components like certain UV filters or pigments. Beyond its emollient properties, Octyldodecyl Neopentanoate acts as a wetting agent for various fillers and pigments, and notably enhances sunscreen efficacy by solubilizing and stabilizing inorganic UV filters such as titanium dioxide and zinc oxide.

Research

Clinical Evidence

High confidence
Effective range 1–15%
Optimal

5%

Key findings

  1. 01 Clinical observations suggest effective usage levels for general skin conditioning, smoothing, and SPF enhancement range from 1% to 15%. Specifically, concentrations between 1-5% are recommended for achieving a dry, non-oily emollient effect and contributing to SPF uplift. Higher concentrations, from 5-15%, are noted for more pronounced skin conditioning and further improvements in SPF values.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Exhibits excellent stability across a broad range of pH levels and can be readily incorporated into various emulsion types. Its neo-structure provides good resistance to hydrolysis, contributing to product longevity.

Synergies

  • Enhances the SPF value of sunscreens by improving the dispersion and stability of UV filters like titanium dioxide and zinc oxide.
  • Improves the sensory profile of formulations by reducing greasiness from other components.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Octyldodecyl Neopentanoate, as an alkyl ester, is safe within current cosmetic usage practices and concentrations, provided the final formulation is non-irritating. While generally considered safe and non-sensitizing, one GHS classification from a single company notification to ECHA listed it as potentially causing skin irritation (H315) and allergic skin reaction (H317).

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Octyldodecyl Neopentanoate is a highly valuable ingredient for its ability to provide superior skin conditioning and hydration with an elegant, non-greasy feel, alongside its demonstrable efficacy in boosting SPF values across diverse skincare and cosmetic applications.

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