Skin Conditioning
AESCULUS HIPPOCASTANUM FRUIT POWDER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Horse chestnut fruit powder — a saponin-rich botanical used for firming and leg-care. Raw seed toxicity requires proper processing.
Aesculus hippocastanum fruit powder (CAS 8053-39-2) is milled horse chestnut fruit/seed. It contains the triterpene saponin escin (aescin) at 3-6%, which is well studied for venotonic effects, along with flavonoids, coumarin derivatives, and the toxic glycoside esculin. Raw unprocessed seed is orally toxic; topical use is accepted when properly prepared. EU CosIng lists it for skin-conditioning function. No Annex II restriction for cosmetic use; escin is considered safe for topical use in established monographs. Topical irritation is uncommon but saponin content warrants caution at high concentrations and around eyes.
Skin benefits
- Rich in escin saponins supporting microcirculation
- Traditional use for firming and leg-care products
- Tannins with astringent effect
Known concerns
- Raw horse chestnut contains toxic esculin — proper processing required
- Saponins can irritate mucous membranes
- Seed is not safe orally without processing
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.