Could you not just use an extremely high proof alcohol? Would be the same effect and you could avoid the denaturants.
I feel like 75% alcohol would evaporate too fast. Not enough time to absorb into the skin imo
Or maybe if you have a condition that affects your appearance you have a tendency to try to maximize your other aesthetic features (e.g. skin) to make up for it?
Modern Native Americans have high rates of diabetes due to Western diet but typically still quite good hair. Curious for your thoughts on this. Must be down to genetics