Shining Sex

The plot revolves around a Vegas dancer named Cynthia (Lina Romay) who is seduced by a pair of aliens, Alpha (Evelyne Deher) and Andros (Ramon Ardid). While making love to her, they smear a shiny ointment on Cynthia's privates, which not only puts her under their telepathic control, but poisons anyone whom she beds (All Movie Guide)