Kawa Extract


Plant extracts

No known benefits

Kawa Extract at a glance

  • AKA kava-kava extract
  • Ingredient and plant extract derived from Piper methysticum
  • Can be applied topically and ingested
  • Can cause skin sensitivity, redness and itchiness

Kawa Extract description

Kawa extract (AKA kava-kava extract) is a potentially skin-sensitizing plant extract derived from the roots or stump of the _Piper methysticum_ plant. Kawa extract is also referred to as kava-kava extract, _Piper methysticum_ root extract and Kava extract. For more info see the entry for Kava-kava extract.

Kawa Extract references

  • Journal of the European Academy of Dermatology & Venereology, January 2023, pages 47-56
  • Journal of the Dermatology Nurses’ Association, Nov-Dec 2019, pages 280-282
  • International Journal of Dermatology, July 2014, ePublication
  • Phytotherapy Research, December 2012, pages 1934-1941
  • International Journal of Toxicology, November 2009, pages 175S- 188S
  • Alternative Medicine Review, December 1998, pages 458-460
  • Clinical Experimental Pharmacology and Physiology, July 1990, pages 495-507

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.