Wolf Spit Formula 2.0 Silicone-Based Lubricant has a silky finish and does not dry out during intercourse. The formula is made with the finest ingredients, and it is never tested on animals, only on humans. Wolf Spit Formula 2.0 Silicone-Based Lubricant was formulated to function exactly like your favorite fully-organic lubricant; spit! It is the perfect formula to satisfy your inner wolf.