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HYDROLYZED OYSTER GLYCOPROTEIN.

Valuable / HUMECTANT, SKIN CONDITIONING

Hydrolyzed Oyster Glycoprotein is a marine-derived active ingredient rich in peptides, amino acids, and glycoproteins. It offers multifaceted benefits, working to rejuvenate, hydrate, and protect the skin against environmental stressors.

Anti-aging Antioxidant Anti-inflammatory Hydrating Barrier Support Sebum Regulation Collagen Synthesis Support Skin Repair & Renewal Melanin Reduction Skin Conditioning

Science

This ingredient functions via several key pathways: it helps reduce wrinkle formation and collagen degradation by inhibiting Matrix Metalloproteinase (MMP) expression through MAPK phosphorylation regulation, while also promoting Collagen Type I and TIMP-1 production. It provides antioxidant and anti-inflammatory support, enhancing skin hydration and barrier integrity by upregulating filaggrin, aquaporin-3, and hyaluronic acid synthesis enzymes. The zinc content can contribute to sebum regulation, collagen synthesis, and a reduction in acne-related bacteria. Furthermore, its peptides and amino acids aid in skin repair and renewal, while certain oyster-derived peptides may mitigate melanin production and tyrosinase activity by downregulating the cAMP signaling pathway. Glycoproteins intrinsically fortify the skin's protective barrier, boost oxygenation, and attract moisture to the skin's surface.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Demonstrated an antiphotoaging effect by improving the viability of UVB-irradiated HaCaT cells from 61.49% to 84.99%.

Transparency

Not commonly dusted

No data suggests this ingredient is commonly 'dusted' at ineffective concentrations.


The Formula

Solubility
Water
Optimal pH 6 – 11
0 7 14

Stability

Optimal solubility is observed between pH 6.0 and 11.0, peaking at pH 10.0. The oyster protein can be susceptible to denaturation under highly acidic (low pH) conditions, which should be avoided to maintain efficacy.

Conflicts

  • Extremes of pH, particularly low pH, which can lead to ingredient denaturation.

Safety

CIR Status
Not reviewed
Sensitization risk Moderate

While specifically 'Hydrolyzed Oyster Glycoprotein' lacks a dedicated CIR safety assessment, hydrolyzed proteins, including marine-derived forms, are generally considered safe for cosmetic use by the CIR Expert Panel. However, a significant consideration is the potential for allergic reactions in individuals with known fish or shellfish allergies, even from topical exposure.


Your Skin

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

Our Assessment

Valuable

Hydrolyzed Oyster Glycoprotein is a valuable multi-functional ingredient, offering scientifically supported benefits for anti-aging, hydration, and overall skin health across various skin types, though caution is advised for individuals with shellfish allergies.


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