Sir/mam I am 28 years old, last year I undergone 6chemical peel sessions results of which ws very satisfactory bt after few months skin around chin becoming dark n pigmented. Its really embarrassing to go out with 2 colored skin tone. please suggests measure to get rid of pigmented chin area. I am currently using vitamin c15% serum n ultra wyte moisturizing cream with glutathione n vitamin c &e, bt no visible effect seen.