Is Setting of 25 Watts on a Indian Ethic Skin to High? (photo)

Hi there: I am an Indian ethic female with acne scars on both sides of my cheeks. I had C02 laser done on myself but it was only a watt of 9. I haven't seen much of a results, and this time my doctor wants to do a setting of 20-25-. do you think that is to high? I really need to get rid of this scars. Please help me make a decision.

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