In the movie "The Book of Eli" he hunted a surviving house cat (or it's descendant) ate it and made lip balm out of "cat fat".

In the book, "The Mammoth Hunters", Ayla made lip balm out of refined tallow for her mean ass mother in law to be (Jondalar's mom).

My lips have been chapped all day, typical for winter (Peekabo Street, I miss you!)
I have Carmex. What do when no Carmex?

How much of the animal do you eat and process general.