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Moumoujus

MYRISTYL STEARATE.

Valuable CAS 17661-50-6 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Myristyl Stearate is a waxy emollient and lubricant that significantly enhances the tactile experience of skincare formulations. It deposits a subtle film on the skin, contributing to a perceptibly smooth feel and improving product spreadability. Additionally, this ingredient functions as an emulsifier, thereby stabilizing delicate product textures.

Summary

Emollient Lubricant Film-former Emulsifier Texture Enhancer

Science

Mechanism of Action

As a waxy emollient, Myristyl Stearate primarily lubricates the skin's surface, imparting a soft and smooth sensation. Its film-forming capabilities are instrumental in achieving a refined texture and seamless product application. Furthermore, it acts as a surfactant and emulsifier, facilitating the homogeneous blending of immiscible oil and water phases within formulations, thus optimizing product consistency and dispersion.

Research

Clinical Evidence

Medium confidence
Effective range 1–5%
Optimal

N/A

Key findings

  1. 01 Recommended use levels between 1% and 5% enhance film-forming properties and ensure smooth application in various cosmetic formulations.
  2. 02 Stearate esters, including Myristyl Stearate, have demonstrated minimal to mild irritation potential and are essentially non-sensitizing, non-phototoxic, and non-photosensitizing.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Myristyl Stearate exhibits robust stability and broad compatibility with a diverse array of other ingredients, rendering it highly adaptable for various personal care product formulations.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The CIR Expert Panel affirms the safety of stearate esters, including Myristyl Stearate, for cosmetic use, noting low acute oral toxicity and minimal ocular and dermal irritation at typical cosmetic concentrations. However, formulators should consider its potential for comedogenicity when designing products. While generally well-tolerated, some sensitive individuals may rarely experience irritation.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
No Sensitive
Irritancy Low
Comedogenicity Medium

Our Assessment

Verdict

Valuable

Myristyl Stearate is a valuable emollient and texture enhancer, improving application smoothness and product stability, though its moderate comedogenic rating warrants careful consideration for specific skin types.

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