Cheat an eyeshadow crease by using the "dash and blend" trick.
Bonus trick: You can do the same thing with liquid liner and a cat eye.
Make a DIY ~summer~ tinted moisturizer by mixing in 2-3 drops of foundation to your moisturizer with SPF.
Learn about brush volume, aka how vigorously or gently an eyeshadow brush will blend a pigment, by practicing your brush skills on a flat surface before you apply makeup onto your eyes.
Start drawing your under-eye concealer in a triangle instead of a crescent moon.
Get rid of eyeshadow fallout without messing up your makeup by using concealer and a Q-tip.
Use this face map to determine exactly where to apply bronzer, highlighter, and blush.
Try using a makeup setting spray to keep your makeup from smudging, melting, or smearing all day long.