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.
Cosmetics & Toiletries Expiry Guide! Itâs crucial to check your cosmetics and toiletries for signs of degradation. While nothing too harmful can come from using expired products, some may lose efficacy, some may cause minor irritations and some will become downright unappealing and not look, smell or act as initially intended.