Science
Mechanism of Action
This extract functions as a robust antioxidant by neutralizing free radicals and safeguarding dermal proteins from oxidative stress. Its demonstrated antibacterial and antifungal activities suggest efficacy against micro-organisms associated with acne and skin infections. Key phenolic compounds contribute to this antioxidant capacity through redox mechanisms, acting as reducing agents and metal chelators. Furthermore, it possesses an astringent quality that can visibly tighten skin and minimize pore appearance. The essential oil component induces a temporary analgesic effect via blood receptor stimulation, resulting in a distinct cooling and soothing sensation. Preliminary data also indicates a potential for tyrosinase inhibition, which could address hyperpigmentation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Information on 'dusting' or specific thresholds for efficacy in formulation is not available in the provided research data for this ingredient.
The Formula
Formulation
Stability
Active compounds, including polyphenols and essential oils, within the herb extract are sensitive to degradation from light and heat. To maintain efficacy and stability in cosmetic formulations, strategies such as developing stable derivatives or encapsulating these active substances within liposomes are recommended. Mentha species generally thrive in a neutral pH environment.
Safety
Safety Profile
While Mentha cardiaca essential oil has shown a favorable safety profile in acute oral toxicity studies on mice (LD50 value: 7133.70 mg/kg body wt.), and mint derivatives are widely approved as food flavorings, specific cosmetic safety assessments by CIR or SCCS for the 'MENTHA CARDIACA HERB EXTRACT' are not readily available. Concerns regarding potential hepatotoxicity at higher concentrations have been noted for components like pulegone and menthofuran in related Mentha species. Carvone constitutes a major component (61.62%) of Mentha cardiaca essential oil. Careful formulation to ensure non-sensitizing properties is advised, especially considering its medium irritancy rating.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Mentha cardiaca Herb Extract offers promising antioxidant, antibacterial, and astringent benefits, yet its broader cosmetic application warrants further comprehensive safety and clinical efficacy data due to its 'insufficient data' CIR status and moderate irritancy.
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