As per this Everybodys Friend DnD 5E Feat you can do develop your magnetic personality for being ease your way via the world. As per this dnd 5e feat you can get the following benefits:
You can even increase your Charisma score by 1, up to the maximum of 20.
You do gain the proficiency in both Deception and Persuasion skills. But if you’re already proficient in the skill, and your proficiency bonus has been doubled for any check that you make with that specific skill.