Science
Mechanism of Action
Ostrea Shell Extract exerts its effects through several distinct pathways. It significantly reduces inflammation by suppressing nitric oxide production and downregulating key inflammatory mediators such as iNOS, COX-2, NF-κB, IL-1β, IL-6, and TNF-α. The extract's rich mineral content, including zinc, alongside amino acids, stimulates collagen synthesis, thereby enhancing skin elasticity, firmness, and reducing the visibility of fine lines and wrinkles. It offers antioxidant protection against environmental damage and premature aging. Furthermore, it helps regulate sebum production, making it beneficial for acne-prone skin. Studies indicate an anti-fibrotic potential through activating dermal fibroblast catabolic pathways, leading to a decrease in type I collagen and a concurrent increase in active MMP-1. It also inhibits lipogenesis by suppressing serine palmitoyltransferase (SPT) subunits, which in turn reduces sphinganine and sphingomyelin levels and diminishes cellular triglyceride accumulation. When formulated as a powder, it functions as a gentle physical exfoliant, aiding in pore decongestion and texture refinement. Its remineralizing properties, attributed to calcium, magnesium, and zinc, nourish the skin and boost cellular metabolism for tissue repair and regeneration, offering healing benefits and a protective film.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Reduced cellular triglycerides by 60% in hepa1c1c7 hepatoma cells, demonstrating a lipid-lowering effect without significant cytotoxicity up to 200 µg/mL.
- 02 Increased metabolic activity of human dermal fibroblasts by 233% and modulated their metabolic activities, including a decrease of type I collagen and a concomitant increase of active MMP-1, suggesting anti-fibrotic potential.
- 03 Suppressed the production of nitric oxide (NO) and decreased the expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and nuclear factor (NF)-κB in LPS-stimulated RAW264.7 cells, demonstrating an anti-inflammatory effect. Additionally, it inhibited the production of interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α.
- 04 Showed anti-aging effects by suppressing D-galactose-induced wrinkle formation, decreasing skin moisture loss, decreasing epidermal thickness, and preventing destruction of collagen arrangement.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Research indicates no specific optimal pH range for Ostrea Shell Extract stability in cosmetic formulations. However, oyster shells exhibit a point of zero charge (PZC) typically between pH 8.3-9.5, which influences surface charge. Some functional applications suggest an optimal pH for adsorption around 5-7.
Safety
Safety Profile
Generally considered well tolerated. Individuals with known seafood allergies should exercise caution and conduct a patch test prior to use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Ostrea Shell Extract is a valuable multi-active ingredient that offers significant anti-inflammatory, anti-aging, and skin-conditioning benefits, making it highly suitable for diverse precision skincare formulations.
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