Lady's Thistle (Milk Thistle) Extract
INCI: Milk Thistle
Reviewed by Kate · Last updated 5 Aug 2026
Also known as: Milk Thistle, Silybum Marianum Extract
Potent antioxidant Skin-soothing and restorative properties
EWG Safety Score
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What Is Lady's Thistle (Milk Thistle) Extract?
Also known as milk thistle or Silybum marianum extract, this extract has a great deal of research showing it has many applications, owing to the skin-soothing, restorative, and antioxidant effects of its main chemical seed constituent, silymarin.
Clinical Evidence & References
- Molecules, March 2019, ePublication
- Journal of Cosmetic Dermatology, August 2018, pages 263-270
- Archives of Dermatological Research, July 2018, pages 413-424
- International Journal of Oncology, May 2010, pages 1,053-1,060
- Clinics in Dermatology, September-October 2009, pages 479-484
- Photochemistry and Photobiology, March-April 2008, pages 266-271
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