Keep observing and keep a journal.
You are born with all the hair follicles you will ever have. Some of those follicles have hair growing out of them, some have dormant hair that will come forth whenever Mother Nature decides that it is time to grow and some of the follicles are empty and will never grow a hair. The hairs that LASER can “see” and affect may have had some affect on the the other structures in your hair follicles, such as the sweat glands. The other follicles that have no hairs, cannot be affected by LASER, so you still have functioning sweat glands. I don’t think it is a problem and you shouldn’t worry so much. I am reasoning this out with you and I may be totally off base. Believe me, there are multi-millions of sweat glands that can help regulate body temperature besides what is located on the underarms. What do others think and know about this??? Laser experts? Anatomy professors? Nobody?