Science
Mechanism of Action
Rosa Gallica Flower Extract exerts its benefits through multiple biological pathways. It acts as a potent antioxidant, neutralizing free radicals and shielding the skin from environmental damage. Its anti-inflammatory action involves downregulating UVB-induced COX-2 and MMP-1 expression and attenuating MAPK signaling pathways, effectively reducing redness and irritation. Key component gallic acid specifically targets the c-Raf/MEK/ERK/c-Fos pathway to combat UV-induced collagen degradation. The extract also suppresses tyrosinase activity and melanin production for skin brightening, while its rich composition of vitamins, minerals, and fatty acids supports skin hydration and improves texture.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
While recognized for its various skin benefits, a clearly established effective topical concentration range is not defined. Supplier recommendations of 1.0-3.0% for aroma are associated with potential skin irritation from volatile compounds, suggesting that concentrations chosen to avoid irritation may fall below therapeutic efficacy levels, making it susceptible to being 'dusted' for marketing appeal rather than clinical effect. Irritation risk begins around 1.0%.
The Formula
Formulation
Stability
Rosa Gallica Flower Extract can be supplied as either a powder or an oil, with its active components largely water-soluble and effectively extracted with water/ethanol mixtures. A 50% ethanol extraction is considered optimal for maximizing anti-aging and antioxidative effects. However, the presence of volatile organic compounds such as monoterpenes and phenylethyl alcohol can lead to skin irritation when concentrations range from 1.0% to 3.0%.
Safety
Safety Profile
The US FDA recognizes Rosa gallica extract as GRAS for food use. European Union authorities also deem it safe for cosmetic use at moderate doses. However, topical concentrations between 1.0% and 3.0% are noted to cause skin irritation (redness, itching, dryness, tightness) due to volatile organic compounds like citronellol and phenylethyl alcohol. Individuals with sensitive skin or known rose allergies should exercise caution and perform a patch test.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Rosa Gallica Flower Extract is a valuable multi-functional ingredient offering significant antioxidant, anti-inflammatory, anti-aging, and brightening benefits, but formulators must carefully manage concentrations, particularly below 1.0%, to mitigate potential irritation while aiming for efficacy.
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