Increase your pleasure with this travel-friendly sexual enhancement kit! Doc Johnson Spot-On + Reverse for Women features a 1 oz. G-spot stimulating gel and 1 oz. tightening gel. The G-spot stimulating gel, â  Spot-Onâ  , is a silky formula that intensifies sensation in and around the G-spot; while the tightening gel, â  Reverseâ  , works to tone and temporarily tighten vaginal tissue. Both formulas are odorless, tasteless, and derived from natural ingredients. Derived from Natural Ingredients including Ginger, Peppermint and Cocoa Extracts.