Demodex folliculorum mite on the lid margins can cause blepharitis. Many treatments have been ineffective like lid scrubs, blephex, tea tree oil, and drops. Several new treatments have been better at eradicating Demodex without harming the meibomian glands like Soothe Wipes, Intense Pulse Light, and the new medication developed by Dr. Toyos Ivermectin Plus. In this video Dr. Toyos goes through the science of Demodex and how to treat it.