Basic shelf life of various cosmetic products: Bashny.Net

Powder - 24 months.
Tonal basis - 24 months (if the oil-based, then 12-18 months.)
Concealer - 24 months. (if you touch your fingers, then 12 months.)
Liquid Concealer - 6 months.
Liquid Eyeliner - 6 months.
Eyeliner - 18 months. (maybe a little longer, if you regularly grind)
Mascara - 6 months. (in practice, no more than 3 months.)
Lip Gloss - 24 months. (in practice 12 months.)
Lipstick - 18 months. (in practice 12 months.)
Lip Liner - 12 months. (maybe a little longer, if you regularly grind)
Nail polish - 12 months.
Skin Care (creams, serums, gels) - 12 months.