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Yerba Santa
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Parnell Pharmaceuticals has developed products to improve the quality of life for those with dryness of the skin and tissues of the body.  Parnell is the first company dedicated to the research and development of new and innovative products to restore and maintain mucosal integrity. Employing a proprietary and patented technology, Parnell Pharmaceuticals’ products contain Yerba Santa, which contains natural anti-oxidants, mucopolysaccharides and glycoproteins.

The Yerba Santa plant, native to the foothills of the Pacific Northwest, has been used as an herbal remedy by many Native American tribes for centuries. Parnell Pharmaceuticals holds five patents for its yerba santa extract.

Y.S. Laboratories www.yslabs.com is part of the Parnell Pharmaceuticals family of products. It is the only company to provide a full line of natural skin care products which employ an innovative, patented technology that combines mucopolysaccharides and other extracts derived from the yerba santa plant with other active ingredients to help heal and moisturize skin. The Y.S. Skin Renewal products provide extraordinary skin rejuvenation


About our founders

Our founders, Francis Parnell, M.D., and Diana Parnell, M.D., are one of the most dynamic teams working in medicine today. The Parnell’s co-founded Parnell Pharmaceuticals and Y.S. Laboratories over twenty years ago to research and create pharmaceuticals to sustain wellness, and to improve quality of life.


Dr. Francis Parnell, who led the research team that developed the Parnell Pharmaceuticals products, has been a practicing ENT Surgeon for 30 years. He is a Fellow, American Academy of Otolaryngology-Head and Neck Surgery and the American College of Surgeons. He is a co-founder of the Cosmetic & Laser Surgery Institute with Dr. Diana Parnell.



Dr. Diana Parnell is a board certified dermatologist. She is a Clinical Assistant Professor at the University of California San Francisco and a Fellow of the American Academy of Dermatology.


© 2009 Parnell Pharmaceuticals, Inc.  All rights reserved.