Science
Mechanism of Action
This extract exerts its antioxidant effects by actively neutralizing free radicals, elevating endogenous glutathione levels, and enhancing the activity of key oxidative defense enzymes such as superoxide dismutase and catalase, alongside boosting Nrf2 expression. It delivers anti-inflammatory properties to calm and soothe irritated skin, complemented by broad-spectrum antimicrobial actions. Furthermore, it plays a crucial role in preventing photoaging by stimulating procollagen type I synthesis and inhibiting matrix metalloproteinase-1 (MMP-1), thereby preserving skin structure and mitigating wrinkle formation. Additional benefits include potential contributions to skin brightening, hydration, and moisturization.
Research
Clinical Evidence
High confidence5-10%
Key findings
- 01 A standardized Coriandrum sativum leaf extract demonstrated a dose-dependent protective effect on human HaCaT keratinocytes against oxidative stress induced by H2O2, evidenced by increased glutathione levels and enhanced activity of superoxide dismutase, catalase, and activated Nrf2 expression.
- 02 An ethanol extract of Coriandrum sativum leaves (CSE) effectively protected normal human dermal fibroblasts (NHDF) in vitro and hairless mice in vivo from UVB-induced photoaging. Treated NHDF cells showed increased procollagen type I production and reduced MMP-1 levels, while CSE-treated mice exhibited thinner epidermal layers, denser dermal collagen fibers, and similar molecular improvements.
Transparency
Dusting Analysis
No data available in the provided research to suggest common dusting practices or specific dusting thresholds for this ingredient.
The Formula
Formulation
Stability
The essential oil component, linalool, and raw materials rich in linalool, necessitate use at the lowest practical peroxide levels. The inclusion of antioxidants, such as 0.1% BHT or alpha-tocopherol, is recommended during raw material production to ensure stability. Finished products should maintain a maximum peroxide level of 20 mmol/l. Store this ingredient protected from light in a cool and dry environment.
Safety
Safety Profile
Direct cosmetic ingredient safety assessments by CIR or SCCS for Coriandrum Sativum Fruit/Leaf Extract are not available. While coriander leaf oil is classified as GRAS by the FDA for food use (21 CFR 182.20), specific research has indicated that a high-concentration aqueous extract of C. sativum leaves induced mutagenicity, reduced human cell survival (WRL-68 and 293Q cells) via apoptosis and necrosis, altered cell cycles, and caused severe malformations in chicken embryos, leading researchers to conclude it 'cannot be considered safe' in those contexts. Although generally considered safe for topical application, there is a risk of allergic reactions in some individuals, and the whole spice itself may act as a sensitizer. Pregnancy safety is not established for topical application; however, the findings on embryonic development warrant caution.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Coriandrum Sativum Fruit/Leaf Extract is a valuable ingredient offering potent antioxidant, anti-aging, and skin-soothing benefits suitable for all skin types, though its safety profile suggests cautious formulation, particularly regarding high concentrations.
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