Check out the list below of cosmetic expiration dates:
Cosmetics:
Liquid/Cream Foundation, 6 month - 1 year Smell your foundation and make sure it doesnt smell like chemicals. Also check to see if color or texture has changed. If any of these have occurred, discard immediately.
Concealer, 6 months - 1 year
Powders, 1-2 years
Mascara, 3 months
Lip gloss & Lipstick, 1 year
Eye/Lip Pencils, 1-2 years, make sure you sharpen them often to prevent bacteria from transfering to your eyes. If the product is dried out then discard.
Skincare
Facial Cleansers & Moisturizers, 6 months
Facial Toners, 1 year
Natural Cosmetics, 6 months (products containing all natural or plant products)
Brushes And Tools
Mascara, 3 months
Lip gloss & Lipstick, 1 year
Eye/Lip Pencils, 1-2 years, make sure you sharpen them often to prevent bacteria from transfering to your eyes. If the product is dried out then discard.
Skincare
Facial Cleansers & Moisturizers, 6 months
Facial Toners, 1 year
Natural Cosmetics, 6 months (products containing all natural or plant products)
Brushes And Tools
Cleaing your brushes and sponges are essential because of oil and bacteria that gets trapped in those tools. Wash brushes at minimum once a month. Wash reusable sponges once a week and discard them after a month.
For the MAC lovers, here's the link to their recycle program:
MAC recycle program
MAC recycle program