Science
Mechanism of Action
This extract functions as a powerful antioxidant, attributed to its high content of polyphenols, flavonoids, Vitamin C, Vitamin E, and beta-carotene, which collectively neutralize free radicals to protect skin from oxidative damage. Its anti-inflammatory capabilities stem from inhibiting nitrogen monoxide (NO) secretion, reducing PGE2 production, and suppressing iNOS and COX-2 expression. As a natural humectant, polysaccharides in the extract attract and retain moisture, enhancing skin hydration. Tartaric acid, an Alpha Hydroxy Acid (AHA), facilitates gentle exfoliation, leading to improved skin texture and reduced appearance of fine lines. Furthermore, it inhibits melanin production for skin brightening, supports wound healing, stimulates collagen synthesis, and demonstrates both antibacterial and antifungal properties.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
No data available to suggest this ingredient is commonly 'dusted' in formulations.
The Formula
Formulation
Stability
Stable in acidic conditions, with reported pH ranges for various extracts falling between 3.20 and 5.5, suggesting good stability within a typical skin pH range.
Safety
Safety Profile
Extensive in-vitro and in-vivo research has reported no toxicity associated with Tamarindus Indica leaves. A fluid extract did not induce significant hemolysis in human red blood cells, even demonstrating protective effects on blood protein denaturalization at concentrations exceeding 40 mg/mL. While the Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed 'Tamarindus Indica Leaf Extract', the general 'Tamarindus Indica Extract' is designated as safe for general or specific, limited use in food by the U.S. FDA, often implying a favorable safety profile for cosmetic applications. EWG Skin Deep rates the general extract as having a 'LOW' concern for cancer, allergies, immunotoxicity, and developmental/reproductive toxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Tamarindus Indica Leaf Extract is a highly valuable, multi-beneficial ingredient for precision skincare, offering clinically supported anti-aging, hydrating, antioxidant, and protective properties across all skin types with a low sensitization risk.
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References
Sources