Walnut Oil



Walnut Oil description

Emollient, non-fragrant plant oil that is agood source of omega fatty acids for skin, namely linoleic acid; however, walnut oil is highly prone to oxidation, which makes the right packaging critical. Airless of air-restrictive and opaque packaging is a must.

Walnut Oil references

  • International Journal of Food Science and Technology, March 2011, pages 1,276-1,281
  • Journal of Agricultural and Food Chemistry, June 2008, pages 4,751-4,759

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.


We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not Rated