Science
Mechanism of Action
This extract's comprehensive action on the skin is attributed to its diverse phytochemical profile, including ellagic acid derivatives, triterpenes like corosolic acid, quercetin, and tannins. It functions as a robust antioxidant by efficiently scavenging free radicals and exhibiting strong oxidisability, thus protecting cellular integrity from environmental damage. Its anti-inflammatory capabilities help to calm skin and reduce redness. Furthermore, its antimicrobial action, particularly against Propionibacterium acnes, is facilitated by compounds that disrupt bacterial membranes and inhibit enzyme activity. The extract may also contribute to anti-aging by inhibiting the collagenase enzyme, thereby preserving collagen and supporting skin's structural integrity.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
While specific optimal topical percentages for human application are still being fully established, in vitro and animal studies demonstrate significant efficacy at measurable concentrations for antioxidant, anti-inflammatory, and antimicrobial effects. This suggests that even lower concentrations could yield tangible benefits, indicating it is not typically a 'dusting' ingredient.
The Formula
Formulation
Stability
The extract is typically prepared using polar solvents such as water, ethanol, or methanol, which have shown to yield high concentrations of phenolics, flavonoids, and proanthocyanidins. While an antioxidant assay mentioned a pH 6.6 buffer, this does not confirm optimal stability pH for general formulation.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed Lagerstroemia Speciosa Leaf Extract for topical cosmetic use. The Scientific Committee on Consumer Safety (SCCS) status is also unavailable. For oral dietary supplements containing Banaba extract, specific warnings are in place regarding pregnancy, breastfeeding, BMI below 18.5, children under 12, and individuals with hypersensitivity, however, these guidelines do not directly apply to topical applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Lagerstroemia Speciosa Leaf Extract is a valuable botanical ingredient, demonstrating promising antioxidant, anti-inflammatory, and antimicrobial benefits for diverse skin types, though further human topical efficacy and safety data would enhance its profile.
Related
Similar Ingredients
Finding similar ingredients…