Description

Citrus medica limonum juice, commonly known as lemon juice, is derived directly from the lemon fruit (Citrus medica limonum). This fresh juice is known for its tangy flavor and numerous beneficial properties, making it a versatile ingredient in various cosmetic and therapeutic products. Lemon juice is valued for its brightening, antioxidant, and astringent properties.

Chemical Composition and Structure: Lemon juice contains a range of bioactive compounds, including:

Flavonoids: Such as hesperidin and eriocitrin, known for their antioxidant and anti-inflammatory effects.
Citric Acid: A primary organic acid providing astringent properties and contributing to the acidity of the juice.
Ascorbic Acid (Vitamin C): Offers powerful antioxidant protection and supports collagen synthesis, enhancing skin health.
Limonene: Provides a citrusy aroma and has potential antioxidant benefits.
Citral: Adds a lemon scent and possesses antimicrobial and anti-inflammatory properties.

These compounds generally have chemical structures that include aromatic rings, hydroxyl groups, and other functional groups essential for their biological activities.

Physical Properties:

Appearance: A clear, pale yellow liquid reflecting the natural color of lemon juice.
Odor: Fresh, citrusy, and lemon-like, retaining the characteristic aroma of lemon juice.
Density: Variable, depending on concentration and preparation.
Solubility: Fully soluble in water; solubility may vary based on concentration and formulation.

Production Process: The production of lemon juice involves the following steps:

Juice Extraction: Lemons are mechanically squeezed to release the juice, which is then filtered to remove impurities.
Concentration: The juice may be concentrated through evaporation to enhance potency and facilitate use in various formulations.
Pasteurization: The juice may be pasteurized to extend its shelf life and ensure microbiological safety.

Applications:

Cosmetics: Used in skincare products for its antioxidant, astringent, and brightening properties. It helps improve skin texture, brighten complexion, and reduce the appearance of spots and discolorations.
Dietary Supplements: Included for its health benefits, particularly due to its high vitamin C content and antioxidant properties.
Perfumery: Added to fragrances for its fresh, lemony scent, providing a vibrant and invigorating aroma.
Pharmaceuticals: Explored for its therapeutic potential, including antimicrobial and anti-inflammatory effects.

Environmental and Safety Considerations:

Environmental Impact: The production of lemon juice requires significant agricultural resources. Sustainable practices are important to minimize environmental impact and ensure the responsible use of natural resources.
Safety: This ingredient is generally regarded as safe for use in cosmetics and personal care products when used as directed. Individuals with allergies or very sensitive skin should be cautious.

INCI Functions:


Surfactant - Foam booster. It has the effect of introducing gas bubbles into the water and affects the cleaning process by helping to spread the cleanser. Since sebum has an inhibiting effect on the bubble, more foam is produced in the second shampoo.

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.
Synonyms:

CAS: 92346-89-9 / 84929-31-7 EC number 296-174-2 / 284-515-8