I simply wait for the roll in my house to get down to the last third, pound it flat and slip it into a baggie. I generally carry one roll for every three to five days and depend on leaves if something happens to the roll/s.
Baby wipes are okay for a lot of uses but a simple washcloth, bit of water and soap works better and can save weight as the time gets long and the number of baby wipes needed grows. In a short term emergency or for a car kit baby wipes work so they have a place.
Most baby wipe manufacturers seem to declare them biodegradable. Some are clearly mislabeled because they are made out of polyester scrim and are not biodegradable in any conventional sense. Some others might break down but only very slowly and they can reemerge months later. Hike any trails where the general public goes, particularly the duffer, easy, trails, and you find the woods littered with toilet paper that didn't get burned and buried and baby wipes that get washed up or dug up by animals un-degraded, if they were buried at all. Nothing like getting back to nature and seeing little wads of pink and white wipes and paper every ten feet within 25' of the trail.
I have seen people who thought a wet wad of pink toilet paper was a kind of flower or unique ground fungus. I just shook my head and walked on feeling disgusted. Embarrassed by the process of elimination many Americans have no idea of how to properly take care of business when there is no porcelain. The predictable result is that if there are people present the surface water is full of fecal coliform bacteria.
The bottom line is that if there is ever an emergency where the general public is forced to live, even for a limited time, away from modern sanitation devices the chances of wildfire outbreaks of dysentery, with cholera and typhoid waiting in the wings for a carrier to come along, grow as time and numbers increase.
Learn how to dig a latrine trench and be willing to educate your fellow campers if groups are going to be in the woods any time. The life you save could be your own.