Check out these cool at home remedies. There's one on dry, cracked, lips that involves

Beeswax Lip Balm
Ingredients:
2 tablespoons grated beeswax
1/2 tablespoon coconut oil

Read this article: http://vita-health.blog/content/gallery/at-home-fixes-skin-emergencies/p70802/page3

In addition, wear a moisurizing lipstick, like MAC.

you can do a at home scrub every week or so (brown sugar mixed with olive oil works well)  and use lots and lots of lip balm every day!