Science
Mechanism of Action
This extract functions as a powerful antioxidant, effectively neutralizing free radicals generated by environmental stressors like pollution and UV exposure, thus safeguarding skin cells and preventing premature aging. It acts as a humectant, drawing and retaining moisture to keep the skin supple and combat dryness. Furthermore, it forms a protective barrier against external aggressors. In vitro investigations indicate its anti-aging potential by inhibiting enzymes such as collagenase, elastase, and tyrosinase, which contribute to collagen breakdown, loss of elasticity, and hyperpigmentation. The extract also demonstrates anti-inflammatory and significant antibacterial activities, while its wound-healing capabilities are linked to compounds like glycerol, flavonoids, and phenols that support hemostasis and cellular proliferation.
Research
Clinical Evidence
Medium confidence10%
Key findings
- 01 A 2.5% concentration significantly shortened bleeding time in oral mucosa wounds. Higher concentrations (5% and 10%) further accelerated wound closure, with a 10% concentration achieving complete healing by day 9.
Transparency
Dusting Analysis
No specific data on dusting practices or thresholds for Gracilaria Verrucosa Extract were found in the available research.
The Formula
Formulation
Stability
Specific stability data for optimal pH or temperature was not available in the provided research.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed data insufficient to determine safety for this ingredient in cosmetics. However, *in vitro* cytotoxicity assessments using an equivalent Gracilariopsis longissima extract showed no cytotoxicity in human gingival fibroblasts or immortalized human keratinocytes at concentrations up to 10 mg/ml. Generally, macroalgae extracts exhibit low cytotoxicity and allergen content, and commonly report no skin irritation or allergic reactions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Gracilaria Verrucosa Extract is a valuable multi-functional ingredient demonstrating significant antioxidant, hydrating, and protective benefits, alongside promising anti-aging, anti-inflammatory, and wound-healing properties, despite the Cosmetic Ingredient Review (CIR) status of 'insufficient data'.
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References
Sources