IPL Hair Loss On Jaw Line. Will It Grow Back?

A nurse friend did a series of 4 IPL treatments on me. The third treatment I experienced hair loss on my jaw line. It grew back in 6 weeks like she said it would. Then I had another treatment and it gave me whelps and the hair fell out in the same spots. Now 6 months later, I still have no hair growth in middle of my chin. What are the chances of it growing back? You think she did this on purpose?

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