Brown Spots and 1 White Spot (White Spot Surrounded by Dark Brown Skin) After Laser Mole Remval?

I had 2 laser mole removal sessions. It was almost normal when scabs fall out. But after 15-20 days, I found brown spots and 1 white spot ( white spot surrounded by dark brown skin ). Doctor prescribed me to apply melanorm mc (hydroquinone, tretinoin and Hydrocortisone acetate) after mixing it with Dermamoist moisturising lotion overnight daily and vitamin capsules. I just wanted to know that are these spots permanent? If not what time it will take? Obviously i don't want to live with these. :(

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