Fragrance: Synthetic And Fragrant Plant Extract, Plant Extract, Fragrance


Both the oil and the extract can have beneficial properties, but they can also have a sensitizing effect on skin. Peppermint oil is a more potent sensitizer than peppermint water. Peppermint is a common cause of sensitivity on the face, particularly around the mouth, as itŠ—Ès frequently used as flavoring in toothpastes. The oil contains 44% menthol, an ingredient believed to be largely responsible for peppermint oilŠ—Ès benefits as well as its risks.
References for this information:

Asian Pacific Journal of Tropical Biomedicine, August 2015, pages 601-611

Contact Dermatitis, April 2008, pages 143-150 and January 2008, pages 9-14

Seminars in Cutaneous Medicine and Surgery, Volume 32, 2013, page 143

Basic and Clinical Pharmacology and Toxicology, June 2006, pages 575-581