Skin Conditioning
ISATIS TINCTORIA ROOT POWDER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Woad / Ban Lan Gen root powder — a traditional Chinese medicine botanical providing indole alkaloids with skin-soothing potential. Modest modern data, so use with awareness.
Isatis tinctoria root powder is milled from the dried root of woad, known in traditional Chinese medicine as Ban Lan Gen. It contributes indirubin, indigo precursors, and indole alkaloids that have documented anti-inflammatory and immunomodulatory signalling in skin. In cosmetics it is used for skin-conditioning at low percent levels. Listed in EU CosIng. Indirubin has been used topically in psoriasis trials with generally favourable safety; however, published cosmetic-specific toxicology for the powder form is limited. The alkaloid content and the deep blue dye precursors argue for careful formulation and supplier vetting. No CIR monograph, no IARC classification.
Skin benefits
- Indirubin/indigo precursors with anti-inflammatory signalling
- Traditional TCM skin applications
- Mild pigment-giving plant powder
Known concerns
- Natural indole alkaloid content warrants caution at high levels
- Deep pigment can stain
- Limited modern cosmetic safety data
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.