Yes, the mascara can cause blepharitis because of the inner infectious bacterium. Blepharitis is the chronic inflammation in the blepharitis skin and eyelash root which has a tendency to recur. It is often caused by chronic conjunctivitis, refractive error, dusty environment or irritating gas which long-term stimulating the body, weak life and so on. Once you get the blepharitis, the self-conscious symptom is urticant painful eye, dry feeling and visual fatigue and so on. In some cases, the bacteria infection affected part of the eyes. In some deteriorating and serious situations, blepharitis may appear small ulcer which makes eyelash off palpebral scurfy into intraocular and lastly it can cause conjunctivitis. You'd better not use the mascara often which will cause the blepharitis which will make you feel so uncomfortable feeling. If you get blepharitis, you’d better go to o hospital to accept the treatment.