Grapefruit Peel Extract



No known benefits

Grapefruit Peel Extract description

Typically listed as _Citrus paradisi_ (grapefruit) peel extract on ingredient lists, the peel from this fruit is loaded with a class of ingredients known as furanocoumarins and coumarins, which are primarily responsible for what’s known as a phototoxic reaction that occurs when skin is exposed to the sun. Low amounts of this ingredients aren’t likely to be problematic, but watch out if it’s listed toward the beginning to middle of an ingredient list, especially if the product in question has a telltale grapefruit scent.

Grapefruit Peel Extract references

  • Food and Chemical Toxicology, March 2012, pages 756-60
  • Journal of Agricultural and Food Chemistry, December 2005, pages 9,790-9,794 and November 2013, pages 10,677-10,684

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

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