Nowadays we have planty of mascaras in the cosmatic world. Hyper sensitivity reaction is one of their side effects due to using nicked in their products.
Mascaras are produced in two type, Powder and liquids shape.
In liquid shape the base is water and its appropriated for bacteric and fungus to grow easily thus conjunctivitis and blepharitis will be happened. Of course in some mascaras there are antibacterial substances to prevent this problem. Sometimes in mascara with liquid shape the box can be oily as well. oily mascara has more duration than water base.
Powder types also are cleaned easily. waterproof mascaras have oily base to bring long duration but they can damage eye lash as well, thus they are not ideal for common usage.
Finally mascara with water base and desinfectant substances are better than others, we also advise to hair and nails multivitamins besides using mascara benefits.