Goodhead Slick Head Glide Bulk Refill 48 Asst Pcs 0.24 Oz - Doc Johnson Novelties. Make all your sexual activities smoother with these delicious GoodHead glides. This bulk refill pack includes 8 individual single-use packets of each: Blue Raspberry, Cotton Candy, Mint, Strawberry, Watermelon, and Chocolate Cherry Slick Heads. The slippery glides reduce friction and are completely body-safe and vegan.