User radiate an aura of attractiveness, naturally inducing pleasure and desire while subtly lifting inhibitions. The affected targets remain fully themselves, but can't help but long for the user's favor and affection, and can't bring themselves to cause them harm except as a last resort, like an irreplaceable treasure too precious to be lost.
Though he has little interest in romance himself, Monkey D. Luffy (One Piece) has attracted a variety of admirers, even the man-hating Boa Hancock who is regarded as the most beautiful woman in the world.
Any Pokémon who sees Pheromosa/UB-02 Beauty (Pokémon Moon), regardless of gender, will become infatuated with it and lose the will to fight.
C.C.'s (Code Geass) original Geass power was "to be loved," essentially forcing anyone who she used it on to fall in love with her.
As a Charmian, Sephie Michaela Deviluke (To Love-Ru) could make any male, regardless of species, who so much as looked at her face become infatuated with her, the downside being that even the most refined gentleman becomes a tactless pervert.
RJ Brooks' letterman jacket (Buffy the Vampire Slayer) contains a love spell that attracted virtually any girl who laid eyes on him, including the lesbian Willow Rosenberg.