Science
Mechanism of Action
The efficacy of Rosa Canina Fruit stems from its complex composition, including bioactive compounds like GOPO, vitamin C, phenolics, lycopene, lutein, zeaxanthin, and other carotenoids. These constituents confer robust antioxidant capabilities, combating oxidative stress. Its notable vitamin C content stimulates collagen synthesis and contributes to skin brightening. The extract also exhibits anti-inflammatory properties and has been shown to reduce UVB-induced skin pigmentation, with quercetin and proanthocyanidins identified as key active principles. Functionally, it acts as a skin conditioning agent, astringent, tonic, humectant, and an exfoliant, promoting overall skin health and resilience.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
For optimal antioxidant capacity in water extracts and during certain preparation steps (e.g., enzymolysis), a pH range of 4.5 to 5.0 has been identified as beneficial, suggesting that an acidic environment may support the stability and activity of its beneficial compounds.
Conflicts
- Formulators should be mindful of the cumulative concentration of shared constituents when combining Rosa Canina Fruit Extract with other botanicals, as exceeding certain levels may pose a risk.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Rosa Canina-derived ingredients, including the fruit extract, are safe for use under current practices and concentrations, provided they are formulated to be non-irritating and non-sensitizing. The FDA also recognizes rose fruit (hips) as generally safe for human food consumption. Specific maximum recommended use concentrations include up to 7% in leave-on face and neck products, 0.2% in eye area cosmetics, and 0.0015% in lipstick formulations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Rosa Canina Fruit is a valuable ingredient, offering broad-spectrum benefits including antioxidant defense, complexion brightening, and skin repair, supported by a favorable safety profile across various skin types and product categories.
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