chronic nipple redness peeling?

For about a year and half, I noticed that both my nipples (just the tips) are red/peeled. I didn't pay attention to it, until doing a breast self-exam. There is no pain, irritation or itching. I brought this up with my gynecologist during a routine pap test, and she said my breasts/nipples appear normal, and that my nipples may have become dry/chapped or irritated due to a variety of factors, and advised me to use Lansinoh ointment (lanolin), which is typically used by breast feeding mothers (I have never been pregnant).

I have been using Lansinoh off and on, but have never seen any improvement in the condition of my nipples- the tips are still red and it appears the skin has peeled (the rest of the nipples are light brownish).

What other could be causing this chronic nipple redness? Is there anything else I could use, besides Lansinoh, that might help? There is no itching/burning, pain, or irritation, which is good, so really, I'm mostly concerned about the appearanc