Sourcing and specification details
Willow (Salix alba) CO2 Extract is produced in England by supercritical fluid extraction with natural carbon dioxide. The resulting oily liquid contains leucanthocyanin purpurinidin, alicortin, lignin, organic acids, tannin and salicin with no solvent or heavy metal residues. Pack size 100 g is supplied in transport containers suitable for both laboratory and industrial use. The material maintains consistent quality across batches and integrates reliably into various base formulations.
CO2 Extracts Wholesale options support scaling from pilot batches to regular production volumes. Buyers may also explore Extracts Wholesale for broader assortment planning.
Technical parameters for formulation
The extract is fat-soluble and added to the oil phase at 0,01-0,2 %. Recommended processing temperature does not exceed 45 °C. It integrates into creams, serums, cleansing gels, toners, face masks, hair balms and sunscreens without additional emulsifiers. Formulators appreciate its neutral odor profile and compatibility with common cosmetic esters and butters for stable emulsions.
Role in dietary supplements and food manufacturing
Supplement and food industry buyers worldwide source the extract as a botanical raw material for functional beverages, confectionery and dietary complexes. The same low percentages apply across cosmetic and nutritional formulas. Retail and wholesale 100 g packs serve both private formulators and factory lines. The absence of solvents makes it suitable for clean-label product development.
Willow CO2 extract 5 g provides a convenient sample size for compatibility testing.
Example hair balm formulation
Shea butter 8 %, argan oil 5 %, Willow CO2 Extract 0,1 %, hydrolyzed wheat protein 2 %, distilled water 84,7 %, preservative 0,2 %. Melt butters and oils, add the extract at 40 °C, incorporate water phase and homogenize. Apply to damp hair after shampooing and leave for several minutes before rinsing.
Storage recommendations
Keep in a cool dark place in a tightly closed container until November 2028. Once opened, use within twelve months. Protect from moisture and direct heat sources to maintain integrity.
Frequently asked questions
Is the extract suitable for clear serums?
No, fat solubility requires an emulsion or oil base.
What is the upper dosage limit in leave-on products?
Do not exceed 0,2 % to maintain product stability.
Can it be used in functional food blends?
Yes, it is purchased as botanical raw material for permitted nutritional applications.