Science
Mechanism of Action
It modulates the skin microbiota, reducing redness-associated species and maintaining diversity. It calms neuroinflammation, controls microvascularization, and provides antioxidant, tyrosinase, and elastase inhibition for brightening and anti-aging effects.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Characterization of Reactive and Sensitive Skin Microbiota: Effect of Halymenia durvillei (HD) Extract Treatment - MDPI
- 02 Clinical Studies of the Safety and Efficacy of Macroalgae Extracts in Cosmeceuticals | JCAD
Transparency
Dusting Analysis
No data suggests this ingredient is commonly dusted, which typically applies to ingredients with very low effective concentrations.
The Formula
Formulation
Stability
Polysaccharides are extracted using alkaline solutions (pH 9-9.5), indicating stability at higher pH. Its rheological properties can be influenced by monovalent salts like NaCl.
Safety
Safety Profile
No specific safety assessments by CIR, SCCS, or FDA were found. Red seaweed polysaccharides are generally considered non-toxic.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient offers a multi-faceted approach to skin health, providing soothing, hydrating, and anti-aging benefits, particularly for sensitive and reactive skin.
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References
Sources