Usually a few months: But it is highly variable. There are other causes of hyperpigmentation, and something else may be going on. If it has not even lightened a bit, i would suggest seeing a dermatologist for evaluation and treatment. Congrats on quitting smoking - the benefits are way more than just cosmetic! stay quit!
Answered 9/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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