It sounds like you may have melasma, a condition in which brown patches appear on the skin often as a results of hormonal therapies such as mirena. This can be tough to treat. One Vi Peel is not going to completely take care of it. There are a number of treatment options and...
The two most important things after any chemical peel are bland emolliation (moisturization, hydration) and sun avoidance. I would recommend that you use something bland and gentle such as aquaphor ointment, Cetaphil Daily Facial Moisturizer or Cerave Facial Moisturizing Lotion (AM or PM)....
