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Moumoujus

MEA-HYDROLYZED SILK.

Insufficient Data / HAIR CONDITIONING, SKIN CONDITIONING

MEA-Hydrolyzed Silk is a meticulously processed silk protein derivative that significantly enhances skin hydration and smoothness. It actively supports the skin's natural moisture balance by forming a protective barrier, resulting in a soft, supple, and visibly plumped complexion.

Summary

Skin conditioning Humectant Moisture barrier support Film-forming

Science

Mechanism of Action

This ingredient functions as an advanced skin conditioning agent, improving both the feel and appearance of the skin. Its action involves hydrating and smoothing the skin's surface, helping to restore and maintain its crucial natural moisture balance. By forming a protective, yet breathable, barrier, MEA-Hydrolyzed Silk effectively locks in moisture and defends against various environmental stressors. As a protein hydrolyzate, its smaller amino acid fragments closely mimic the skin's natural moisturizing factor (NMF) components, thereby increasing water transport within the stratum corneum. This film-forming capability not only plumps the skin but also enhances its intrinsic ability to retain moisture, resulting in a visibly smoother and more refined skin texture.

Research

Clinical Evidence

High confidence
Effective range 1–5%
Optimal

5%

Key findings

  1. 01 Studies indicate a concentration-dependent moisturizing efficacy, with solutions and creams incorporating 1-5% MEA-Hydrolyzed Silk significantly increasing skin hydration, promoting a soft and supple feel.
  2. 02 At a 5% w/v concentration, a notable increase in the stratum corneum's hydroxyproline content was observed, directly correlating with enhanced moisture retention within the skin's outermost layer.

Transparency

Dusting Analysis

Not commonly dusted

Data specific to 'dusting' practices or thresholds for MEA-Hydrolyzed Silk is not available within the provided research.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 8
0 7 14

Stability

Hydrolyzed silk protein (general) demonstrates stability within a pH range of 4.0 to 8.0, ensuring compatibility with a broad spectrum of cosmetic formulations.

Conflicts

  • Due to the 2-aminoethanol (MEA) component, there is a potential for nitrosamine formation when formulated with nitrosating agents. This necessitates rigorous control of raw material purity and meticulous formulation practices to mitigate risk.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed the available data insufficient for a comprehensive safety assessment of MEA-Hydrolyzed Silk. Conversely, the Scientific Committee on Consumer Safety (SCCS) of the EU Commission has approved its use, albeit with specific restrictions concerning the potential formation of nitrosamines from MEA impurities. Strict global strategies for manufacturing, storage, and testing are advised to control this risk. The parent ingredient, Hydrolyzed Silk, is generally considered safe for topical application, exhibiting minimal irritation potential and lacking skin sensitization concerns.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While MEA-Hydrolyzed Silk demonstrates high efficacy in enhancing skin hydration and smoothness, its overall safety rating is currently limited by 'insufficient data' from CIR and necessitates stringent formulation controls to address potential nitrosamine formation risks, despite SCCS approval with restrictions.

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