1. a person's name, or a mark representing it, as signed personally or by deputy, as in subscribing a letter or other document. 2. the act of signing a document. 3. Music. a sign or set of signs at the beginning of a staff to indicate the key or the time of a piece.
MAC Pigments. Contrary to popular belief, makeup does expire. MAC cosmetics are no exception. The majority of cosmetics expire in one year. However, there are certain cosmetics that expire in a few short months and certain cosmetics that last a lot longer than one year. The reason cosmetics have expiration dates is because over time bacteria builds up in them and when used they can cause infections, acne, and other nasty afflictions.
If it's been few months, or -- gulp -- years, there's a good chance more than a few of your products have expired. To make sure the cosmetics you apply are safe and effective, celebrity makeup artist Jamie Greenberg says to use your senses. You need to smell your makeup, Greenberg says.f it smells, toss it. And if the color goes out of style, toss it!. Foundation packaged in a pot expires in about 6 months, whereas a pump formula can last one to two years. When your foundation expires, look at it as an opportunity to try something new.