Skin Conditioning
SOPHORA TETRAPTERA FLOWER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An extract of New Zealand kowhai flowers — a traditional Maori botanical. Mildly antioxidant; caution on sourcing because the genus contains alkaloids.
Sophora tetraptera (kowhai) is a New Zealand native legume tree. The flower extract contains flavonoids and trace isoflavonoids. The broader Sophora genus is well known for quinolizidine alkaloids (cytisine, matrine) primarily concentrated in seeds and bark — flower-only extracts should be substantially alkaloid-lean, but supplier transparency matters. No CIR monograph; no specific EU CosIng restriction. Cosmetic evidence is limited to a small number of supplier studies.
Skin benefits
- Flavonoid-rich botanical
- Mild antioxidant support
- Traditional Maori flora in skincare
Known concerns
- Sophora genus contains quinolizidine alkaloids — sourcing matters
- Limited cosmetic-specific safety data
- Potential allergen for sensitised users
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.