Aqueous Horse Chestnut Extract
Botanical Extract
Adds botanical value to the formula.
TECHNICAL DATA
INCI Horse chestnut (Aesculus hippocastanum L.), methylparaben, imidazolidinyl urea, water.
CAS 8053-39-2, 99-76-3, 39236-46-9, 7732-18-5.
Appearance Translucent liquid
Color Brown-amber
Odor Characteristic
pH at 20 °C/68 °F 5.5 – 6.5
Density at 20 °C/68 °F 1.000 – 1.010
Refractive index 1.3329-1.3510
Aerobic mesophilic count Maximum 100 CFU/g
Yeast and mold count Maximum 100 CFU/g
Microbial count ABSENT
Solubility In water, alcohols, pathogens
Pathogenic microorganism count ABSENT
Solubility In water, alcohols, glycols and surfactants.
APPLICATIONS
CreamsTonersGelsShampooMasks
Key properties of horse chestnut include softening, non-comedogenic, astringent and invigorating effects; it is recommended for sun care formulations, damaged-looking, combination or oily skin, products for blemish-prone skin, leg care for a light, refreshed feel, and normal to oily hair.
DESCRIPTION
COSMETIC AQUEOUS HORSE CHESTNUT EXTRACT
Aqueous extract of the plant known as horse chestnut (Aesculus hippocastanum), with added preservatives for easier handling and storage. Its main components are flavonoids, flavonols, tannins, coumarins, saponins and allantoin.
Practical formulation guide
Usage level::
- 5 to 10 % in facial products.
- 3 to 5 % in body products.
- 1 to 3 % in hair products.
How to use and incorporate: Aqueous, glycolic or glycerin extracts: add to the water phase or during cool-down (below 40 °C/104 °F). Oil extracts: add to the oil phase or during cool-down. Powdered extracts: first dissolve or disperse in water or glycerin. Adjust the pH at the end.
Table 1::
- Extracts contribute color, odor and microbial load: use a broad-spectrum preservative system and run a microbial challenge test on the final formula.
- They may precipitate in the cold or over time; filter or shake before use and check that the color or clarity of the finished product does not change.
- Before scaling up, make a pilot batch and run a stability test (cycles at 4 / 25 / 45 °C/39 / 77 / 113 °F for 4 weeks, checking odor, color, pH, viscosity and separation) in the final packaging.
Compatibility: Aqueous and glycolic extracts are compatible with gels, toners, emulsions and surfactant bases; oil extracts with oils and emulsions. Some tannins and flavonoids darken in the presence of iron or at alkaline pH.
Storage: The optimal storage temperature for the phytocomplex is 4–18 °C/39–64 °F, protected from light. If precipitates form during storage, shake until fully reconstituted before adding to your formulation.
Precautions: Once the container is opened, handle the product with care to avoid secondary microbial contamination. None in particular for the user. Handling: Add it as the last ingredient of the preparation at temperatures below 40 °C/104 °F; dissolving it before use and filtering if necessary is recommended.
Technical information for formulators: This sheet describes industrial uses of the raw material in the development of cosmetic products. It is not an efficacy claim for any finished product. The person responsible for the formulation must validate the concentration, compatibility and claims of their product in accordance with applicable regulations.
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