Source: Xanathar's Guide to Everything

Wondrous item, common

This tiny vial contains magic perfume, enough for one use. You can use an action to apply the perfume to yourself, and its effect lasts 1 hour. For the duration, you have advantage on all Charisma checks directed at humanoids of challenge rating 1 or lower. Those subjected to the perfume's effect are not aware that they've been influenced by magic.