I Had Q-switch Laser Done While Tan and Now Have Hyperpigmentation.How Do I Get Rid of It?

I went to Florida 4 weeks prior to my treatment but still had a healthy glow tan (not dark) when I had the treatment one week ago. Now I look worse than I did before!! I've done this laser treatment once a year over the last 3 years to remove my freckles and age spots without any problems. It works great actually! But I didn't have a tan prior to those treatments. Is this permanent or will it go away? And will a microderm get rid of it? I've attached a picture for you. Thank you!

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