Lipstick itself is a turnoff to me because girls overuse it and that makes themselves look unnatural (this is very common to see nowadays, but, commonness doesn't mean they look good). So, feel free not to use it (or use some lip balm), nothing wrong with it.
One technique is to use a very small dab of liquid foundation/concealer which is your skin colour and mix it in with a dab of moisturiser so that your lips will not feel dry when it is applied. This carries off a very natural and nude look on your lips without having to use much make-up.
Buy a soft golden/pink lipgloss. Try MAC's Dazzleglass in Utterly Posh or Get Rich Quick