Coenzyme Q10



Coenzyme Q10 description

Also known as ubiquinone, it is a vitamin-like, fat-soluble substance naturally present in the body. A handful of studies have shown that coenzyme Q10 (CoQ10) may help improve the appearance of signs of ageing.There is also research showing that environmental factors deplete the presence of CoQ10 in the skin. The latest research suggests that topical application of CoQ10 has antioxidant and skin-soothing effects. As such, it is one of many helpful antioxidants for skin, but it is not the only one or the “best.”

Coenzyme Q10 references

  • Biofactors, November 2015, pages 383-390
  • Biofactors, September-October 2009, issue 5, pages 435-441
  • Biofactors, 2008, issue 4, pages 237-243
  • Journal of Cosmetic Dermatology, March 2006, issue 1, pages 30-38
  • Biofactors, November 2005, issue 4, pages 179-185
  • Journal of Investigative Dermatology, 2005, issue 4, pages 12-13
  • Journal of Dermatological Science, August 2001, Supplement, pages 1-4

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.