Some brake fluid is still made of mineral oil, for what it is worth. Most today are ether/glycol (except for DOT5 which I think is silicone based), but LHM stands for Liquide Hydraulique Mineral. What I've seen is green and it won't absorb water.
~ Jon 1952 1/2 ton with 1959 235 | T5 with 3.07 rear end