Oenothera Biennis Oil



Oenothera Biennis Oil description

_Oenothera biennis_ oil (common name evening primrose oil) is a non-fragrant plant oil whose fatty acids can have significant skin-soothing and emollient benefits. It can also help other ingredients absorb more readily into skin.

Oenothera Biennis Oil references

  • Journal of Pharmaceutical Sciences, January 2016, pages 188-193
  • Annals of Dermatology, December 2014, pages 706-712

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.