For if you were wandering, these are the expiration dates of the different makeup products.
3 months: mascara
6 months- 1 year: liquid makeup (liner, foundation, concealer)
1 year- 1 1/2 years: lipgloss, cream makeup (eyeshadow, concealer, foundation, countour and highlight stuff), brow gel
2 years: eye/lip/brow pencil, lipstick, nail polish, compact makeup (eyeshadow, powder, foundation, contour and highlight stuff)
Featured picture taken from Tumblr