Citrus aurantifolia flower/Sambucus nigra flower extract is a botanical blend derived from the flowers of Citrus aurantifolia (lime) and Sambucus nigra (elderflower). This combination of extracts is utilized in cosmetic formulations for its complementary benefits, including soothing, hydrating, and antioxidant effects. The blend leverages the properties of both plants to enhance skin appearance and provide a pleasant fragrance.
Chemical Composition and Structure
The extract features a range of beneficial compounds from both sources:
Citrus Aurantifolia Flower Extract: Rich in limonene, linalool, and flavonoids, which contribute to its citrusy fragrance and provide antioxidant properties.
Sambucus Nigra Flower Extract: Contains flavonoids (such as quercetin), phenolic acids (including chlorogenic acid), and trace amounts of essential oils, offering soothing, anti-inflammatory, and hydrating effects.
These components work synergistically to offer:
Antioxidants: Protect the skin from oxidative stress and environmental damage.
Anti-inflammatory Agents: Reduce redness and irritation.
Hydrating Agents: Maintain moisture and skin elasticity.
Fragrance: A refreshing blend of citrus and floral notes.
Physical Properties
Color: Generally light yellow to pale amber, influenced by the concentration and formulation.
Odor: A harmonious blend of citrus and floral scents.
Texture: Liquid, ranging from watery to slightly viscous.
Solubility: Fully soluble in both water and oil-based formulations, making it adaptable for various cosmetic uses.
Production Process
Harvesting: Flowers of Citrus aurantifolia and Sambucus nigra are collected at their peak bloom.
Extraction: The flowers undergo extraction methods such as steam distillation or solvent extraction to isolate their active compounds.
Blending: The extracts are combined in a precise ratio to balance their properties and benefits.
Filtration: The blend is filtered to remove any residual particulate matter.
Packaging: The final extract is packaged in airtight containers to preserve its quality and effectiveness.
Applications
The extract is used in a variety of cosmetic and skincare products, including:
Facial Toners: To soothe, hydrate, and refresh the skin.
Moisturizers: Providing hydration and antioxidant benefits.
Cleansers: Offering gentle cleansing with added skin benefits.
Serums: Targeting specific skin concerns with combined extract benefits.
Body Care Products: Imparting fragrance and skin-conditioning properties.
Safety
Citrus aurantifolia flower/Sambucus nigra flower extract is generally considered safe for use in cosmetics and personal care products when used as directed. Individuals with known allergies to citrus fruits or elderflowers should use the extract with caution.
Cosmetic safety
Restricted cosmetic ingredient as II/358 a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported: Furocoumarines (e.g. trioxysalen (INN), 8-methoxypsoralen, 5-methoxypsoralen) except for normal content in natural essences used. In sun protection and in bronzing products, furocoumarines shall be below 1 mg/kg
Environmental and Safety Considerations
Sustainable Sourcing: Ensure that the flowers are harvested in an environmentally sustainable and ethical manner.
Waste Management: Implement practices to reduce waste and minimize environmental impact during production.
Quality Control: Maintain rigorous quality control to ensure the extract’s purity and efficacy.
INCI
Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.
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