I've been using Retin-A at night and glycolic in morning for 4 days now. When should I start seeing results?

You need a cosmetic dermatologist who specializes in acne scarring/pigmentation and does a combination of treatments including: surgery, subcision, or TCA cross for deep or pitted "ice pick" scars; fillers like Bellafill or Sculptra or Radiesse for broad "boxcar" or "rolling" scars; Eclipse...

Brown spots need to be assessed to se if they are related to sun, irritation, scar etc.  they are all treated differently.  I suggest a formal consultation with a cosmetic dermatologist. Best, Dr. Emer.

Although this peel kit should not cause harm to you, the potency of the Glycolic Acid is certainly less effective due to its expiration. There are so many great options now for at home peeling systems, I would recommend opting for a newer kit to ensure optimal improvement in skin tone and...