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Moumoujus

DEFATTED EGG YOLK POWDER.

Valuable CAS - / SKIN CONDITIONING

Defatted Egg Yolk Powder is a multi-functional ingredient derived from egg yolk, processed to significantly reduce its lipid content. It leverages a potent blend of proteins, peptides, and residual phospholipids to deliver a spectrum of skincare benefits. This ingredient is recognized for its antioxidant, anti-inflammatory, and moisturizing properties, making it a versatile asset in precision skincare formulations.

Summary

skin conditioning emollient antioxidant emulsifying

Science

Mechanism of Action

This ingredient's efficacy stems from a sophisticated blend of bioactive components. Key proteins, including phosvitin and lipovitellins, along with their derived peptides, exhibit strong antioxidant activity. This mechanism effectively scavenges intracellular reactive oxygen species (ROS), reducing oxidative stress and protecting against environmental damage from pollution and sunlight, thereby visibly mitigating signs of aging. The residual phospholipids contribute essential anti-inflammatory, anti-microbial, and moisturizing benefits. They also promote skin healing and elasticity, enhance ingredient penetration, and protect the skin barrier against damage and bacteria, while soothing irritated conditions.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The provided research does not offer specific data regarding dusting properties or potential inhalation risks of defatted egg yolk powder in manufacturing settings. While powders can generally function as abrasive agents, this is not identified as a primary benefit or concern for this ingredient's intended cosmetic use, nor are specific dusting thresholds or red flags detailed in the available data.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 11
0 7 14

Stability

The water solubility of defatted egg yolk powder can vary substantially based on the lipid extraction method and subsequent processing. While initial egg yolk powder has approximately 20% solubility, certain defatting techniques (e.g., MTBE or HI) can maintain this. However, other methods (e.g., chloroform:methanol) can significantly reduce solubility due to protein denaturation. Enzymatic hydrolysis can markedly enhance protein solubility and overall water-solubility, potentially reaching up to 71% with 20% lipid content. High temperatures during processing, such as spray drying, are known to reduce solubility through protein denaturation and aggregation. Optimal protein solubility has been observed to remain stable across a pH range of 5.0 to 11.0 for MTBE-defatted powder.

Conflicts

  • Strong denaturing agents (e.g., certain organic solvents like chloroform:methanol, which can induce protein denaturation and aggregation).
  • High temperatures during processing (can lead to protein denaturation and reduced solubility).

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) program has not specifically reviewed Defatted Egg Yolk Powder. The FDA prohibits harmful cosmetic ingredients but does not pre-approve them, except for color additives. No specific safety concerns regarding irritation or sensitization were identified in the available data, though Incidecoder lists irritancy as 'unknown'.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Defatted Egg Yolk Powder is a valuable, multi-functional ingredient offering significant antioxidant, anti-inflammatory, and moisturizing benefits, making it highly suitable for diverse precision skincare applications across all skin types.

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