Science
Mechanism of Action
This extract operates via multiple pathways to enhance skin health. Its abundant polyphenols and flavonoids provide potent antioxidant protection, neutralizing free radicals and shielding against environmental stressors. It exhibits significant anti-inflammatory and anti-allergic properties by downregulating key inflammatory mediators, such as nuclear factor-κB and signal transducer and activator of transcription 1, thereby calming irritation and redness. The extract also contributes to a brighter complexion by inhibiting tyrosinase activity and reducing melanin production. Furthermore, it improves skin texture by boosting elasticity and softness, balances oil production through sebum reduction, and offers antibacterial benefits that can help prevent acne and pore clogging. It additionally supports skin regeneration.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 A 2010 study (Jang et al.) demonstrated that an extract concentration of 50 µg/ml, when prepared with various solvents, effectively inhibited 200 µM H2O2-induced DNA damage in human leukocytes.
- 02 Research published in the International Journal of Molecular Medicine in 2017 showed that oral administration of an aqueous extract significantly reduced atopic dermatitis-like lesions in mouse models. This study also indicated the extract's ability to inhibit pro-inflammatory cytokine and chemokine expression in HaCaT keratinocytes via the downregulation of nuclear factor-κB and signal transducer and activator of transcription 1 pathways.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Phenolic compounds, which are key active components of persimmon extracts, can exhibit intrinsic instability in certain physiological fluids. Advanced formulation techniques like encapsulation in phytosomes have been shown to enhance their antioxidant activity and improve stability for extended periods, such as 6 months. For general product formulation, storing the extract in a cool, dark place, preferably refrigerated, is recommended to mitigate spoilage and degradation due to frequent temperature changes.
Safety
Safety Profile
No specific safety assessments by prominent regulatory bodies such as the Cosmetic Ingredient Review (CIR), Scientific Committee on Consumer Safety (SCCS), or FDA were identified in the provided research data.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Diospyros Kaki Calyx Extract is a valuable, multi-functional ingredient, offering robust antioxidant, anti-inflammatory, and brightening benefits with broad skin compatibility and a low risk profile.
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