Warm compresses with a clean washcloth/gauze pad/or cotton ball.
Gently clean your upper and lower eyelash areas with a moistened Qtip, using a new clean Qtip for each one.
For more detailed info and help:
http://www.allaboutvision.com/conditions/blepharitis.htm
First change your pillow. Next start a detailed log of what you are doing, location, what your are using. You have to be your own detective.
Look at any change in food, vitamins supplements, detergents, cosmetics, vitamins, etc.
Allergy test can be helpful, but frequently, it will show you are allergic to many household items.
Dr. O.