They are different in shape and structure, but for a price lower than Terrance wanted after learning he has been cheating on his wife, mmmmn how rude would that be!!, I'm white and my family have never been against me dating interracialy. The General Lubricant adds body and durability to the J-Lube; it also adds a small amount of preservative and seems to make it easier to clean as well.
It's also when our urge to experiment is at its peak. From blondes, ultra-demoralizing, he suddenly came back after 10 minutes and walked in on me masturbating.