Eye makeup isn't one-size-fits-all, especially considering the different eye shapes out there. For example, how you do a cat eye on almond-shaped eyes will differ from how you do it on hooded eyes.
And speaking of tools, Reena suggests “stock[ing] up on Q tips – they’re a key tool in any makeup artist’s kit [and] they’re perfect for fixing any mistakes or smudges, for eyes and lips.” ...