Science
Mechanism of Action
This extract, primarily due to its eugenol content, acts on the skin through several pathways. It provides robust antioxidant protection by neutralizing free radicals, thereby mitigating oxidative stress and signs of premature aging. Its anti-inflammatory action reduces redness and discomfort, evidenced by its capacity to inhibit proinflammatory biomarkers (e.g., VCAM-1, IP-10) and tissue remodeling proteins (e.g., collagen-I, collagen-III). Furthermore, it possesses broad antimicrobial and antibacterial qualities, effective against various microorganisms, which aids in managing acne-causing bacteria and contributes to product preservation. The extract also exhibits astringent properties, helping to contract and tighten the skin, and may contribute to anti-wrinkle effects by potentially inhibiting collagenase activity and promoting skin regeneration for minor injuries.
Research
Clinical Evidence
Medium confidenceRaw material suppliers recommend 'use levels' for Eugenia Caryophyllus Flower Extract between 5% and 10% in various cosmetic preparations, indicating this as a general optimal range for formulation.
Key findings
- 01 Clove essential oil (0.011% v/v) exhibited significant antiproliferative effects on human dermal fibroblasts and substantially reduced the production of multiple proinflammatory biomarkers (e.g., VCAM-1, IP-10, I-TAC, MIG) and tissue remodeling proteins (e.g., collagen-I, collagen-III, M-CSF, TIMP-2).
- 02 Clove buds oil (0.0156 μl/ml) was observed to significantly enhance collagen synthesis.
Transparency
Dusting Analysis
This ingredient is not considered commonly dusted as its wide range of proven biological activities—including antioxidant, anti-inflammatory, antimicrobial, and astringent properties—support its genuine utility in precision skincare formulations.
The Formula
Formulation
Stability
The extract is typically integrated into the water phase of formulations. Given its eugenol content, which can act as a pro-oxidant, careful formulation and storage are advised. Optimal pH ranges from 4.0 to 6.5, with some recommendations narrowing to 5.0-6.0 for clove extract. Store protected from light in a cool, dry environment to maintain stability.
Conflicts
- High concentrations of the extract, or its primary component eugenol, can lead to skin irritation, burning, and sensitization.
- Requires careful dilution and patch testing, particularly for individuals with sensitive or acne-prone skin.
- Not recommended for use in children under 6 years of age or in pregnant and/or breastfeeding women, typically referring to the potent essential oil but advising caution for the extract as well.
Safety
Safety Profile
While the US FDA recognizes clove buds, clove oil, and oleoresins as Generally Recognized As Safe (GRAS) for food applications, topical use of high concentrations, particularly of its primary component eugenol, requires careful consideration. High concentrations are known skin irritants, capable of causing irritation, burning, and sensitization. For general skin application of *clove essential oil*, a maximum advisable dilution of 5% is suggested, with 0.5% to 1% for sensitive skin to mitigate irritation. Some studies on clove oil have indicated potential cytotoxicity and genotoxicity at certain concentrations. A patch test is highly recommended for individuals with sensitive skin or a history of allergies. Specific recommendations caution against use in children under 6 and in pregnant/breastfeeding women, often referring to clove essential oil due to its potency, but prudence suggests caution for the extract as well.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Eugenia Caryophyllus Flower Extract is a valuable multi-active ingredient offering antioxidant, anti-inflammatory, and antimicrobial benefits, but requires careful formulation and precise concentration due to its potential for skin irritation at higher levels.
Related
Similar Ingredients
Finding similar ingredients…