Wet, cool, damp, low bite track I would assume -- that's when goat is best. Looks to be a diluted goat prep with some MMO added for color?
It should soften and add bite (likely kill tires quickly and stink up your trailer too.)
mystery oil is in alot of red inside preps,, so i would say adds some bite and some oils back in tires, 90 ounces of tolulene, 20 ounces of mek, 10 ounces wd40 and10 ounces of marvin mystery oil. inside red.