Lip balm isn’t just good for chapped lips! It’s great as a fire starter as well. As long as the lip balm has petroleum or beeswax, it will be great to smear onto any tinder to get a fire going easily.
Lip balm is small and inexpensive, so stock up and put one in each kit!
Here’s a video where I use beeswax lip balm to get a fire started: