Very itchy, swollen, vulva. Used vagisil. I'm a virgin. I want home remedies?

Possible yeast. This could be an allergic reaction to something that came in contact with the vulval area or it could be a yeast infection. Avoid vagisil and for the former a topical steroid cream may help; for the latter use an antiyeast vaginal cream.
Vulvovaginitis. You don't want home remedies for a condition for which the cause has not been diagnosed professionally. See a doctor and get this assessed before you make such decisions.