Science
Mechanism of Action
This extract reduces inflammation and redness by inhibiting JAK1 activity and subsequent STAT3/6 signaling pathways. Its rich profile of antioxidants—including omega-3 fatty acids, glutathione, carotenoids, CoQ10, and vitamins A, C, and E—effectively neutralizes free radicals, safeguarding skin against environmental aggressors. Polysaccharides within the extract act as humectants, attracting and retaining moisture to enhance skin hydration and smoothness. It stimulates cell proliferation and telomerase activity, thereby promoting tissue regeneration, strengthening the skin barrier, and improving elasticity. Phenolic acids and flavonoids contribute to accelerated skin repair by calming inflammation, while Vitamin C content supports collagen synthesis and aids in fading dark spots, a process further enhanced by ferulic acid. Additionally, it offers an antibacterial effect beneficial for problematic skin conditions.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Clinical studies confirm Portulaca Oleracea Extract as non-sensitizing at 0.1% in both body lotions and moisturizers.
- 02 A 3-week facial use study utilizing 0.1% concentration showed no irritation or dermatological changes beyond expected physiological ranges.
- 03 Non-sensitizing effects were also observed at a 0.5% concentration in face lotion and face treatment products.
- 04 Aqueous extracts demonstrated alleviation of atopic dermatitis in mice by inhibiting JAK1 activity and downstream STAT3/6 pathways, improving barrier function and reducing inflammation (specific human equivalent concentration not provided).
- 05 Purslane extract significantly increased cell viability and decreased oxidative damage and inflammation in UVB-induced cells, indicating anti-photoaging properties (specific human equivalent concentration not provided).
Transparency
Dusting Analysis
While clinical data specifies non-sensitizing concentrations from 0.1% to 0.5% in human use, effective concentrations for all broader benefits (e.g., anti-inflammatory, antioxidant, anti-aging) are not consistently quantified in the provided research. However, the Cosmetic Ingredient Review (CIR) has affirmed its safety at concentrations up to 0.5%, suggesting utility at these levels. There is no direct evidence indicating it is frequently used at ineffective 'dusting' percentages for marketing purposes.
The Formula
Formulation
Stability
The extract integrates smoothly into formulations, imparting no discernible color or scent.
Conflicts
- Formulators should carefully control the concentration of naturally occurring terpenes within the extract to avoid reaching levels that may cause sensitization.
Safety
Safety Profile
The Expert Panel for Cosmetic Ingredient Safety (CIR) deemed Portulaca oleracea-derived ingredients safe in cosmetics up to 0.5% in non-spray face and neck products, provided they are formulated to be non-sensitizing. Formulators are specifically advised to manage potential terpene levels. Its long-standing use as a food source further supports its general safety, mitigating concerns regarding systemic toxicity, carcinogenicity, and genotoxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Portulaca Oleracea Extract is a valuable, multi-functional botanical ingredient, providing robust antioxidant, anti-inflammatory, and hydrating benefits with established safety for a comprehensive range of skin types.
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References
Sources