Inaccurate?

Mask of the Ideal

(Complete Mage)

Illusion (Glamer)
Level: Bard 2, Sorcerer 3, Wizard 3,
Components: V, S,
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 10 minutes/level (D)

Your voice and features become more refined and pleasing.
Mask of the ideal shifts everything toward an ideal form.
Any creature that perceives you in any fashion beholds something that it finds aesthetically pleasing.
You gain a +4 competence bonus on Bluff and Diplomacy checks, as well as on Disguise checks made to disguise yourself (but not others).
You also gain a +4 competence bonus on any Charisma check you make to influence a creature that you have enchanted (such as with charm person) or conjured (such as with planar binding).