Physician-Invented | Patent-Backed | Ophthalmologist-Tested

MD Lash Factor® is the original physician-formulated eyelash conditioner, developed by Dr. Susan Lin, M.D., to provide a medical-grade alternative to harsh, chemical-heavy serums. Protected by US Patent 8,206,695, our clinical formula uses a bio-active blend of peptides and Thiotaine to nourish the lash follicle naturally, promoting the appearance of longer, fuller, and thicker lashes.

Why Doctors Choose MD®

• Safety Without Compromise: Independently tested and clinically validated to have zero impact on visual acuity or intraocular pressure.
• Sensitive Eye Approved: A gentle, non-irritating formula safe for contact lens wearers and those with chronic eye sensitivity.
• Clinically Proven Results: 95% of participants in independent clinical trials reported visible improvements in lash volume and vitality within 4-6 weeks.
• Clean Medical Science: Free from parabens, hormones, and harsh drugs. Our formula is pH-balanced to mimic the eye's natural environment.