Science
Mechanism of Action
This extract operates through a rich composition of bioactive compounds, predominantly essential oils containing eugenol, alongside tannins and flavonoids. Eugenol delivers significant antioxidant capacity and pronounced anti-inflammatory action, which effectively mitigates skin redness and swelling. Tannins contribute astringent and supplementary antioxidant effects, while flavonoids provide robust skin protection against oxidative stress. Collectively, these components support the maintenance of skin balance, strengthen the skin barrier, promote regeneration, and help regulate oil secretion, making the extract valuable for managing concerns like acne and other skin infections.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Clove essential oil (CEO), a primary constituent of this extract, demonstrated robust antiproliferative and significant anti-inflammatory effects on human dermal fibroblasts at a concentration of 0.011% (v/v). It successfully inhibited the production of key proinflammatory biomarkers (VCAM-1, IP-10, I-TAC, MIG) and tissue remodeling proteins (collagen-I, collagen-III, M-CSF, TIMP-2), while modulating critical gene expression pathways.
- 02 Clove essential oil (CEO) and its major active component, eugenol, displayed cytotoxicity against human fibroblasts and endothelial cells when concentrations reached 0.03% (v/v).
- 03 In vitro studies determined the cytotoxic effects of Eugenia caryophyllus on fibroblast cells, yielding IC50 values of 57.92 ± 0.98 µg/mL after 24 hours and 37.97 ± 0.74 µg/mL after 48 hours, which were noted as an 'acceptable level of cytotoxicity'.
Transparency
Dusting Analysis
Given its established biological activity and the presence of potent compounds, Eugenia Caryophyllus Stem Extract is typically formulated at concentrations intended to deliver tangible benefits rather than for cosmetic 'dusting'.
The Formula
Formulation
Stability
Not explicitly provided in research data.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not specifically evaluated Eugenia Caryophyllus Stem Extract. However, related clove extracts, such as Eugenia Caryophyllus (Clove) Bud Extract, are generally considered to have a fair safety profile, though they carry a potential for allergic reactions and sensitivity. Mild irritation may occur, particularly at elevated concentrations. Clove bud essential oil is recommended to be diluted to a maximum of 5% to avoid irritation and is advised against use in children under 6, or by pregnant/breastfeeding individuals. Notably, Eugenia Caryophyllus (Clove) Flower Extract is listed with 'HIGH Allergies & Immunotoxicity' concerns. The inherent cytotoxicity of clove essential oil and its principal component, eugenol, at certain concentrations mandates precise and careful formulation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Eugenia Caryophyllus Stem Extract offers valuable antioxidant, anti-inflammatory, and antimicrobial benefits; however, its potential for irritation, cytotoxicity at certain concentrations, and specific contraindications for sensitive individuals, pregnant/breastfeeding individuals, and young children necessitate highly cautious and precise formulation.
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