Expiration Dates One of the most objective (and least agonizing!) ways of clearing excess products out of your life is to toss anything that’s been open to the air too long to still be safe, clean, or effective. Below are some rule-of-thumb life spans for products once they’ve been opened.
Cream/moisturizer Foundation, oil-based Foundation, water-based Gel cleanser Lipstick
Mascara Powder Shadows Brushes Sponges:
1 year 1 year 1.5 years 1 year
1-2 years 3-4 months
wash every 2-3 months
wash weekly and discard monthly