Lash glue or glitter glue is the easiest way to stick loose glitter to your skin. I suggest wetting your brush with water or setting spray to pick up the glitter and avoid it from spreading to the rest of your face.
There's no right or wrong way to wear makeup; that's the great thing about having artistic expression. However, do consider your lifestyle habits—if you don't normally wear makeup, glitter eyeshadow...
You could use the same article method above, but switch up the type of material you use to a more girly colour such as pink or purple. You can purchase...