Mundane ( non magic ) hypnosis

[Conradine]

There is any article or supplement that deals with non magic hypnosis? I don't mean gaze attacks, psionic powers or monster special skills, just mundane hypnotic suggestion.

[Cerefel]

There's the Autohypnosis skill in the EPH.

[MisterKaws]

Epic-tier Diplomacy.

[LordOfCain]

Epic-tier Diplomacy.
You mean there is non-epic tier diplomacy?

[Knitifine]

This would probably be "Perform (Hypnosis)" if you're looking to imitate Franz Mesmer. Or "Profession (Quirky Therapist)" if you're looking for a realistic but useful approach.

[Inevitability]

A Ninja of the Crescent Moon (Sword and Fist) of at least 2nd-level can create nonmagical Hypnotic Patterns with hand gestures. It may be what you're looking for.

There's also the Charlatan from dragon magazine which can nonmagically duplicate several mind-affecting spells: mostly through suggestion. I suppose the underlying mechanics may be similar to hypnosis.

[Milo v3]

Pathfinder has it as an occult skill unlock.

[Venger]

A Ninja of the Crescent Moon (Sword and Fist) of at least 2nd-level can create nonmagical Hypnotic Patterns with hand gestures. It may be what you're looking for.

There's also the Charlatan from dragon magazine which can nonmagically duplicate several mind-affecting spells: mostly through suggestion. I suppose the underlying mechanics may be similar to hypnosis.

dragon compendium's terrible mountebank class also kind of does this.

[Shadowquad]

The rules for Epic Bluff state that you can implant a nonmagical suggestion (as the spell) that lasts for 10 minutes, with a +50 modifier on the opposed Sense Motive test.

[Inevitability]

dragon compendium's terrible mountebank class also kind of does this.

That's a (Su), though.