REVIEW
Description

admin (19653 pt) • 2022-Dec-18 11:00
Melia Azadirachta Seed Oil is derived from the seeds of the neem tree (Melia azadirachta), a member of the Meliaceae family. This oil is renowned for its beneficial properties in cosmetic and personal care products. It is valued for its high content of fatty acids and bioactive compounds that offer moisturizing, anti-inflammatory, and antimicrobial benefits.
Chemical Composition and Structure:
Components: The oil contains a variety of bioactive compounds, including:
Fatty Acids: Linoleic acid, oleic acid, palmitic acid, and stearic acid.
Terpenoids: Azadirachtin, nimbin, and nimbolide.
Others: Eicosanoids, flavonoids, and saponins.
Structure:
Fatty Acids: Predominantly consist of long-chain carbon atoms with carboxyl groups.
Terpenoids: Have complex ring structures with multiple double bonds and functional groups.
Physical Properties:
Appearance: The oil is a clear to slightly cloudy liquid, typically ranging from light yellow to greenish in color.
Odor: It has a distinct, earthy, and slightly nutty aroma.
Solubility: The oil is soluble in most organic solvents and fats, but insoluble in water.
pH: Melia Azadirachta Seed Oil is generally neutral to slightly acidic.
Production Process:
Harvesting: The seeds of the neem tree are collected once they mature.
Cleaning: The seeds are cleaned to remove any impurities or foreign materials.
Extraction: Oil is extracted from the seeds using methods such as cold pressing or solvent extraction.
Cold Pressing: This method involves mechanically pressing the seeds without heat to preserve the oil's nutrients.
Solvent Extraction: An organic solvent is used to extract the oil, followed by solvent removal to obtain the pure oil.
Filtering: The extracted oil is filtered to remove any remaining solids or impurities.
Refinement: The oil may undergo refining processes to improve its color, odor, and shelf life, although unrefined oil retains more of its natural properties.
Applications:
Skin Care: Used in moisturizers, serums, and creams due to its hydrating, anti-inflammatory, and antimicrobial properties. It helps soothe and nourish the skin while reducing inflammation and acne.
Hair Care: Incorporated into shampoos, conditioners, and hair treatments for its ability to condition the scalp, promote hair growth, and combat dandruff.
Traditional Uses: Employed in traditional medicine for its purported benefits in treating skin conditions, infections, and promoting overall skin health.
Environmental and Safety Considerations:
Environmental Impact: Sustainable harvesting and extraction practices are important to minimize the impact on neem tree populations and local ecosystems.
Safety: This ingredient is generally regarded as safe for use in cosmetics and personal care products when used as directed. Individuals with allergies to plants or very sensitive skin should exercise caution.
INCI:
Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.
Synonyms:
CAS: 90063-92-6 EC number 290-052-2