Does lemon juice work for lightening, if so what else works that you can buy from like the grocery store and stuff.

Until someone comes along who really knows about this stuff, you might want to click on the links at the bottom of this page to questions that have been similar to yours and see what the answers have been.

Lemon juice does slightly help lighten skin. I've used it before in the past, it helped fade acne scars and kept skin spot free.