User blog comment:Mmpratt99 deviantart/Story Question About Fixing Ugliness With Magic Plastic Surgery/@comment-25226524-20151112220856

Perhaps they asked her if they could change her looks, but she likes the face she was born with regardless of how ugly they think it is. This would also help build her character, but of course it will depend on whether or not this goes along or at least doesn't clash with the character you've already developed her into. They agree to leave her unaltered, but cover her up when she's in their home for whatever reason.