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Skin Conditioning

HOUTTUYNIA CORDATA WATER

CAS 164288-50-0
70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Fish mint (Houttuynia) water — a traditional East Asian herbal hydrosol with soothing claims. Distinctive aroma and limited cosmetic safety data.

Houttuynia cordata water (CAS 164288-50-0) is the aqueous steam distillate from fish mint, a traditional East Asian herb (also called yu xing cao). It contains quercetin glycosides, low levels of essential oil fractions, and houttuynin (decanoylacetaldehyde) responsible for the characteristic pungent aroma. In cosmetics it is used for soothing and skin-conditioning claims. No EU CosIng restriction applies. Houttuynin and related aldehydes can be sensitisers in reactive skin. Peer-reviewed cosmetic toxicology is limited, but the plant has a long food-use history in parts of Asia.

Function

FRAGRANCE

Skin benefits

  • Soothing herbal character
  • Quercetin glycoside traces
  • Low-allergen hydrosol

Known concerns

  • Distinctive houttuynin aroma/sensitiser potential
  • Limited cosmetic safety data
  • Batch variability

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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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.