Description

Salix Alba Leaf Extract is derived from the leaves of the Salix alba tree, commonly known as white willow. This extract is known for its soothing, anti-inflammatory, and astringent properties, making it a valuable ingredient in skincare and cosmetic formulations.

Chemical Composition and Structure

Active Compounds: Contains salicylic acid, flavonoids, tannins, and polyphenols. Salicylic acid is a beta-hydroxy acid (BHA) known for its exfoliating and anti-inflammatory effects.
Salicin: The primary active compound, a glycoside that converts to salicylic acid in the body.

Physical Properties

Appearance: Typically a clear or pale yellow liquid.
Odor: Light, with a characteristic vegetal fragrance.
Solubility: Soluble in water-based and alcoholic formulations.
Texture: Light and easily absorbed by the skin.

Production Process

Harvesting: The leaves of the Salix alba tree are harvested.
Extraction: The leaves are subjected to extraction methods such as maceration or solvent extraction to obtain the active components.
Filtration: The extract is filtered to remove any solid residues.
Concentration: The extract may be concentrated to enhance its efficacy.
Packaging: The final extract is packaged under sterile conditions to maintain its quality and potency.

Applications

Cosmetic: Used in skincare products for its exfoliating, anti-inflammatory, and astringent properties. Commonly included in cleansers, toners, masks, and anti-aging treatments.
Pharmaceutical: May be used in topical treatments for its anti-inflammatory and soothing effects.
Food: Generally not used in food products.

Environmental and Safety Considerations

Biodegradability: The extract is designed to be environmentally friendly and biodegradable.
Toxicity: Generally regarded as safe for topical use. Should be used according to established guidelines to avoid potential allergic reactions or skin irritations. Individuals sensitive to salicylates should exercise caution. It is important to ensure that the extract is sustainably sourced and free from harmful contaminants.
Disposal: Should be disposed of in accordance with local environmental regulations to minimize environmental impact.

INCI Functions:


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: 84082-82-6 EC number 282-029-0