Science
Mechanism of Action
This synergistic blend of *Galaxaura rugosa*, *Sargassum pacificum*, and *Turbinaria ornata* extracts operates through a rich profile of bioactive compounds including polyphenols, flavonoids, and polysaccharides. Its antioxidant action involves direct free radical scavenging and metal chelation, thereby mitigating oxidative stress. Anti-melanogenic effects are achieved by inhibiting tyrosinase, a key enzyme in melanin synthesis, which contributes to visible skin brightening. The extract also demonstrates anti-aging capabilities by inhibiting elastase, an enzyme responsible for degrading elastin fibers. Furthermore, it exhibits antibacterial activity against common skin flora such as *Staphylococcus aureus* and *Staphylococcus epidermidis*. Polysaccharides aid in enhancing skin moisture absorption and retention for barrier support, while polyphenols may offer a degree of protection against UV-A and UV-B radiation. Certain *Sargassum* components are also recognized for potential anti-inflammatory properties.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 *Galaxaura rugosa* extract demonstrated potent antibacterial activity against *Staphylococcus aureus* and Methicillin-resistant *S. aureus* at 125 μg/ml, and against *Staphylococcus epidermidis* at 250 μg/ml.
- 02 *Galaxaura rugosa* extract effectively inhibited tyrosinase, showing superior efficiency (IC50 = 88.00 μg GAE/ml) compared to kojic acid (IC50 = 113 μg/ml).
- 03 *Galaxaura rugosa* extract exhibited effective elastase inhibition (IC50 = 243.00 μg GAE/ml), surpassing tocopherol's efficiency.
- 04 *Galaxaura rugosa* extract showed potent antioxidant activity through ABTS+ radical scavenging (IC50 = 81.00 μg GAE/ml) and high copper reduction capacity (IC50 = 19.26 μg GAE/ml).
- 05 *Turbinaria ornata* extract demonstrated excellent tyrosinase inhibitory activity (EC50 = 67.50 μg GAE/mL), proving more effective than kojic acid (EC50 = 109.8 μg/mL).
- 06 *Turbinaria ornata* extract possessed strong inhibitory activity against *Staphylococcus aureus* and *Staphylococcus saprophyticus* at 125 μg/mL, and against *Staphylococcus epidermidis* at 250 μg/mL. Inhibition of *Serratia marcescens* and *Staphylococcus aureus* was also observed at 500 μg/mL.
- 07 *Turbinaria ornata* extract exhibited potent DPPH radical scavenging activity (EC50 = 24.34 μg GAE/mL), indicating robust antioxidant properties.
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated various red and brown algae-derived ingredients. For many, including *Galaxaura rugosa*, *Sargassum*, and *Turbinaria* species, an 'Insufficient Data Announcement' was issued, requesting additional safety data such as composition, impurities, dermal toxicity, and dermal sensitization. This specific blend has not undergone individual review, meaning comprehensive safety data for its cosmetic use is currently lacking.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This algae extract blend demonstrates promising in vitro efficacy across antioxidant, brightening, anti-aging, and antimicrobial domains, but comprehensive safety data for cosmetic use, including dermal toxicity and sensitization, remains insufficient as determined by the CIR.
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References
Sources