Here’s a great blog that can help you figure out whether or not your makeup has expired. Important for models who are doing their own makeup for shoots, but also for anyone who wears makeup. You don’t want to make yourself sick or give yourself an infection because of expired makeup or dirty brushes!
Here’s an excerpt:
What’s lurking in your makeup bag?
“Like food, makeup has an expiration date, and over time cosmetics can harbor harmful bacteria that can lead to infections,” states Dr. David Schlessinger, a board-certified oculoplastic surgeon and ophthalmologist, and medical director of Schlessinger Eye & Face. “The risks are multiplied when these products are shared among friends.”