Clinical Evidence — MD Studies, Safety Data & Published Research
Clinical Evidence
MD Studies, Safety Data & Published Research · Author: Dr. Susan Lin, M.D. · Reviewed: May 2026
About this hub
This page indexes the clinical evidence behind MD products: IRB-reviewed safety studies, peer-reviewed publications, patent portfolio, textbook chapters, and supporting research. Each linked sub-page summarizes the methodology, endpoints, and findings of each study, with links to original sources (PubMed, DOI, USPTO/WIPO records) where available.
MD is developed by Dr. Susan Lin, M.D. — board-certified in Obstetrics & Gynecology and Anti-Aging Medicine, with 35+ years of clinical practice. Dr. Lin is the inventor on US Patent 8,206,695 (Eyelash Enhancement Composition and Method of Treatment) and an international patent portfolio for hair growth compositions.
Browse the evidence by category
Lash Clinical Evidence →
Includes the CRL93007 IRB-reviewed ocular safety evaluation (n=35, 4 weeks), the 2008 Journal of Cosmetic and Laser Therapy peer-reviewed publication (Choy & Lin, PMID: 18569264), independent toxicological assays (Ames, LLNA, Agarose Overlay) by AppTec Laboratory Services, the EU Regulatory Safety Assessment (EC1223-2009) by Dr. John Hopkins, and US Patent 8,206,695.
Hair Clinical Evidence →
Includes the 17-week MD Hair Restoration System independent study at Spincontrol North America (71% improvement, 75% recommendation rate), MD Nutri Hair 30-day office study + bioavailability testing, MD Scalp Essential clinical evaluation at Medcin Instituto da Pele per GCP and Helsinki Declaration (50-subject RIPT confirmed hypoallergenic), the international patent portfolio (US, WIPO, Korea, Hong Kong, China), and Harry's Cosmeticology chapter.
Brow Clinical Evidence →
Includes the 56-day independent clinical evaluation at Spincontrol North America Inc. with Patrick Beau, Ph.D. as Lead Investigator: 78% reported thicker, more conditioned brows; 87% reported healthier, more hydrated brows; 87% confirmed non-irritation to eyes and skin.
Citation format & document availability
References on these pages follow APA 7th edition citation format. Where original sources are publicly available (peer-reviewed journals, patent databases), direct links are provided. Where studies are proprietary or contain subject-identifying information, summaries are provided with appropriate availability statements.
For full study reports, protocols, or data not included in the public summaries: available to qualified industry partners, healthcare professionals, journalists, and regulatory inquiries on request. Contact MD with your inquiry.
About the author
Dr. Susan Lin, M.D. is a board-certified physician in Obstetrics & Gynecology and Anti-Aging Medicine, with 35+ years of clinical practice. Founder of La Canada Ventures, Inc.; inventor on an international patent portfolio covering hair growth and lash compositions; lead author on the peer-reviewed clinical study on MD Lash Factor published in the Journal of Cosmetic and Laser Therapy in 2008 (PMID: 18569264). Author of chapters on hair and lash growth science and skin rejuvenation in Harry's Cosmeticology, 9th Edition. Medical Board of California Expert Reviewer; U.S. Department of Commerce District Export Council member (Northern California).
Important notes: Educational only. The clinical evidence summarized here supports MD product positioning and safety claims. It is not medical advice. Individual results vary. Study results describe averages and findings under the conditions and populations defined in each protocol. Consult a qualified healthcare professional for personal medical decisions, especially if pregnant, breastfeeding, or with any pre-existing medical condition.
