Generally, 80% – 90% of good candidates will need at least 4 to 6 laser hair removal treatments spaced 6 – 10 weeks apart to experience 70% to 90% hair reduction. The cycle of hair growth has three phases and laser is killed in the active growing phase. 4 to 6 treatments are needed to target ALL hair in the active growth phase.

Here is very general average pricing information in the U.S for commonly treated areas. You can estimate other areas based on the size. Keep in mind that these are just estimates based on consumers reporting what they have paid for treatments on various forums:

Prices per 1 treatment
Full face Costs : $150 – 300
Upper lip Costs : $50 – 150
Chin Costs : $50 – 150
Underarms (both) Costs : $50 – 150
Regular bikini Costs : $100 – 200
Brazilian bikini Costs : $200 – 300
Half legs (both) Costs : $200 – 400
Half arms (both) Costs : $200 – 400
Butt Costs : $150 – 300
Back Costs : $200 – 500
Chest Costs : $100 – 300
Abdomen Costs : $100 – 300

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