Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns....
As per your complain it seems like
Hyperpigmentation on face and can be due to side effect of any of the components that you are using.
You need a medical treatment for resolution along with home remedies..
You should start washing your face with
Salicylic acid and glycolic acid containing facewash..
Apply
benzoyl peroxide gel over the scars..
You can apply Kojic acid, glycolic acid and arbutin containing creams to reduce pigmentation..
Exfoliate your skin twice a week with a mild scrub..
Take Vitamin C supplements..
Avoid sun exposure.
You can also go for Photofacial,
chemical peels and
microdermabrasion..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora..