Science
Mechanism of Action
This extract primarily modulates tyrosinase activity to inhibit melanin synthesis, providing a brightening effect. Its bioactive constituents also neutralize free radicals and reduce inflammatory responses by inhibiting 5-LOX and β-hexosaminidase release.
Research
Clinical Evidence
Medium confidence0.78%
Key findings
- 01 In vitro studies demonstrate inhibition of tyrosinase activity and melanin synthesis, indicating potential for skin brightening.
- 02 Modeled safe-use concentrations for leave-on products range from 0.13% to 0.78%, mitigating sensitization risk.
Transparency
Dusting Analysis
While specific dusting data is unavailable, leave-on concentrations exceeding 0.78% may raise safety concerns due to β-asarone, necessitating careful formulation.
The Formula
Formulation
Stability
Sensitive to light and heat; often stabilized via nano-encapsulation or antioxidants. Polysaccharide-rich versions are water-soluble, while essential oil-based extracts are oil-soluble.
Conflicts
- Strong oxidizing agents
- Highly alkaline environments
Safety
Safety Profile
Independent assessments recommend limiting leave-on concentrations to 0.78% due to β-asarone, associated with neurotoxicity and carcinogenicity at high oral doses. Cosmetic-grade extracts are typically processed to be β-asarone-free.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Acorus Gramineus Rhizome Extract is a valuable ingredient for brightening, soothing, and antioxidant benefits, provided formulations adhere to a maximum 0.78% concentration for leave-on products and utilize β-asarone-free versions.
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References
Sources