Science
Mechanism of Action
This extract functions as a potent antioxidant, leveraging its high content of vitamin C, bioflavonoids, and polyphenols to effectively neutralize free radicals and mitigate oxidative cellular damage. Its anti-inflammatory action soothes irritated skin by reducing pro-inflammatory cytokines and potentially modulating MAPK and NF-κB signaling pathways. Beyond protection, it acts as a humectant, drawing and retaining moisture to enhance skin hydration. It actively supports skin barrier integrity through inducing keratinocyte differentiation and increasing the expression of crucial barrier proteins such as filaggrin, involucrin, and loricrin. Additionally, it shows potential for skin tone evening, anti-aging benefits by regulating procollagen expression and decreasing MMP-1 secretion, and exhibits antibacterial activity, alongside astringent properties from tannins.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
No specific data available to indicate common dusting practices or thresholds for this ingredient.
The Formula
Formulation
Stability
Optimal pH range for the extract's stability is not explicitly documented. However, its common preparation using hydro-alcoholic solutions suggests good water solubility and relative stability within typical cosmetic pH ranges.
Safety
Safety Profile
While not formally reviewed by CIR or SCCS, general safety concerns for Rosa Rugosa Branch/Leaf Extract are considered low. EWG Skin Deep indicates minimal concerns across various toxicity categories. SkinSAFE classifies it as 'Fragrance Free', 'Common Preservative Free', and 'Teen SAFE', supporting a profile of low irritancy and allergy potential. The Good Scents Company reports 'No GHS Classification' and 'Toxicity: Not determined', suggesting a favorable safety outlook.
Your Skin
Skin Compatibility
Our Assessment
Verdict
ROSA RUGOSA BRANCH/LEAF EXTRACT is a valuable ingredient, delivering comprehensive antioxidant, anti-inflammatory, and barrier-supporting benefits with a favorable safety profile across all skin types.
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