Make up Guide: When to toss your makeup… 

3 Months: Mascara and Liquid Eyeliner        
1 Year: Foundation
1 Year: Lip Gloss and Lipstick  
18 Months: Blush, Bronzer, and Powder
1-2 Years: Concealer (1 for Liquid; 2 for Powder/Stick)
2 Years: Eye Shadow
2 Years: Lip and Eye Pencil