Science
Mechanism of Action
This ingredient operates via several distinct mechanisms: its fragmented peptides are small enough to penetrate the stratum corneum, where they strengthen the skin's natural barrier, thereby reducing transepidermal water loss and improving overall hydration. It actively protects against free radical damage and stimulates dermal fibroblasts to elevate the production of vital structural proteins like collagen and elastin, contributing to wrinkle reduction. Furthermore, specific peptides exhibit antimicrobial properties by disrupting bacterial cell membranes (e.g., C. acnes) and exert anti-inflammatory effects by decreasing nitric oxide production. Preliminary data also suggests potential tyrosinase inhibitory activity, which could assist in managing hyperpigmentation.
Research
Clinical Evidence
High confidence8%
Key findings
- 01 Topical application of 8% water-soluble egg membrane (WSEM) in a facial cream over 8 weeks resulted in a significant reduction of wrinkle depth, attributed to protection from free radical damage and stimulation of dermal fibroblasts to produce collagen and elastin.
- 02 Egg white hydrolysate (EWH) and its peptides at 0.1% (1000 µg/mL) demonstrated antimicrobial activity against C. acnes by disrupting cell membranes and exhibited anti-inflammatory effects by reducing nitric oxide production, suggesting utility in acne management.
- 03 Eggshell membrane hydrolysates (ESMH) showed broad efficacy, including anti-inflammatory, anti-wrinkle (via collagenase and elastase inhibition), antimicrobial (against S. aureus), and moisture-protection effects on skin.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Hydrolyzed Egg Protein is water-soluble. While protein solubility is typically lowest at its isoelectric point, hydrolysis processes have been successfully conducted across a wide pH range of 6.0 to 13.0, indicating practical stability in various formulations, though specific optimal pH for finished cosmetic product stability is not definitively stated.
Safety
Safety Profile
While the CIR has identified 'insufficient data' for Hydrolyzed Egg Protein specifically, it is generally evaluated within a broader category of hydrolyzed source proteins, for which the safety focus is primarily on irritation and sensitization potential. A general conclusion by CIR for 'skin and connective tissue-derived proteins and peptides' is 'safe in present practices of use.' Critically, for cosmetic application, allergenic side effects are considered unlikely even in egg-sensitized individuals due to the substantial reduction of major allergens during the hydrolysis process. The FDA recognizes peptones, including egg albumin hydrolysates, as Generally Recognized As Safe (GRAS) for direct food use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydrolyzed Egg Protein is a valuable ingredient, offering comprehensive benefits from anti-aging and hydration to anti-inflammatory and antimicrobial support, suitable for a wide range of skin types with a low risk of irritation or comedogenicity.
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