Description

Cymbopogon flexuosus, commonly known as lemongrass, is a plant whose leaf oil is extracted for use in various cosmetic and personal care products. The oil is valued for its fresh, citrusy aroma and is often used in fragrances and for its potential benefits in skincare. It is derived from the leaves of the Cymbopogon flexuosus plant, which is native to tropical and subtropical regions.

Chemical Composition and Structure

Primary Components:
Citral: The major constituent of Cymbopogon flexuosus oil, contributing to its distinctive lemon-like scent. Citral consists of two isomers, neral and geranial.
Limonene: Provides a citrus aroma and contributes to the oil’s overall fragrance profile.
Geraniol: Adds a rosy note and can contribute to the oil's potential skin-soothing properties.
Other Components: May include traces of linalool, β-caryophyllene, and various other monoterpenes and sesquiterpenes.
Structure:
The oil is a complex mixture of terpenoids and other volatile compounds. Its primary structure revolves around the presence of citral, which is a combination of neral and geranial.

Physical Properties

Appearance: A clear to pale yellow liquid.
Odor: Characteristic fresh, citrus-like aroma.
Consistency: Light and fluid, with a relatively low viscosity.
Solubility: Soluble in most organic solvents but insoluble in water.

Production Process

Harvesting:
Source: The leaves of Cymbopogon flexuosus are harvested from the lemongrass plant.
Processing: The leaves are cleaned and prepared for extraction.
Extraction:
Method: The oil is typically extracted using steam distillation, which involves passing steam through the plant material to vaporize the volatile compounds, which are then condensed into a liquid.
Purification: The resulting oil may be further purified to remove any impurities or unwanted components.
Refinement:
Processing: The oil may undergo filtration or other refinement processes to ensure its quality and consistency.

Applications

Fragrance Industry: Used in perfumes, colognes, and scented products for its fresh, lemony fragrance.
Skincare: Incorporated into lotions, creams, and serums for its potential astringent and antimicrobial properties. It may help to tone and refresh the skin.
Haircare: Added to shampoos and conditioners for its fragrance and potential cleansing benefits.
Aromatherapy: Utilized in essential oil blends and diffusers for its uplifting and refreshing scent.

Safety

Cymbopogon flexuosus leaf oil is generally considered safe for use in cosmetics and personal care products when used as directed. However, it is advisable for individuals with sensitive skin or known allergies to essential oils to perform a patch test before full use. The oil should be used in appropriate concentrations to avoid potential skin irritation or sensitization.

Environmental and Safety Considerations

Sustainability: The cultivation of Cymbopogon flexuosus should be managed sustainably to avoid adverse environmental impacts. Responsible farming practices can help maintain ecological balance and ensure a steady supply of raw material.
Regulatory Compliance: The oil must comply with relevant cosmetic regulations and standards to ensure safety and efficacy in finished products.
Quality Control: Regular quality testing and adherence to industry standards are crucial to maintaining the purity and effectiveness of the oil.

INCI


Fragrance. It plays a very important role in the formulation of cosmetic products as it provides the possibility of enhancing, masking or adding fragrance to the final product, increasing its marketability. It is able to create a perceptible pleasant odour, masking a bad smell. The consumer always expects to find a pleasant or distinctive scent in a cosmetic product.
Synonyms:

CAS: 91844-92-7 EC number 295-161-9