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.
1 The use of expired cosmetics may cause skin rashes, irritation and reddening. 2  In some cases individuals with sensitive skin develop allergic reactions. 3  The use of old mascara can lead to bacterial infection in the eye. 4  Expired lipsticks can cause swelling, itching and allergies in the lips.4 months. Blusher. 1 year. **It is suggested that you should check the expiry period on the product that you buy as date of expiry can differ from product to product and can also be different with various brands. You wear make up to look good, but wearing an expired product may be bad for the skin.