Science
Mechanism of Action
These compounds function as direct tyrosinase inhibitors. They precisely block copper ions within the active site of the tyrosinase enzyme, an essential component for melanin biosynthesis, thereby disrupting the enzymatic pathway of pigmentation.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 At a concentration of 1 µM, Linderanolide B and Subamolide A reduced human tyrosinase activities by 50%. This also resulted in a 40% inhibition of melanin production in HEMn-MP cells after 48 hours of treatment.
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
Linderanolide B and Subamolide A have exhibited non-cytotoxicity to normal human skin cells and zebrafish systems at concentrations effective for tyrosinase inhibition. Specifically, Linderanolide B demonstrated low cytotoxicity to normal human epidermal cells in whitening ability assessments. Subamolide A selectively induced apoptosis in cancer cell lines (NTUB1 and T24) but not in normal immortalized uroepithelial cells (SV-HUC-1) at various concentrations up to 10 µM. However, comprehensive safety assessments by regulatory bodies such as CIR, SCCS, or FDA are currently unavailable for this ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Linderanolide B/Subamolide A demonstrates valuable potential as a precise tyrosinase inhibitor for addressing hyperpigmentation, with promising *in vitro* and *ex vivo* efficacy and reported low cytotoxicity to normal skin cells at effective concentrations.
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References
Sources