Do you carry a cosmetic bag in your purse?

Yes, I carry a MAC Cosmetic Pouch everyday to put the makeup I carry on an everyday basis. This prevents those makeup accidents that you can think of inside your beloved bag.

Inside my Cosmetic Pouch, I carry a lipstick, some handy eyeshadow brushes, a quad, pack of tissue, lip balm and hand cream.
 
Yes, in my work bag. It contains my contact lenses holder, floss, bronzer, lipbalm, eyelash curler and waterproof black mascara usually. Sometimes also gloss or lipstick and eyeshadow.
 
Yes, but I don't wear make up, so I use it as an essentials pouch. It contains, a mirror, tissues, wet wipes, hand sanitizer, tampon, hair ties, lotion, medicine, tweezers, cuticle nippers, floss, and mints.