When calibrated correctly, lasers focus on melanin. When melanin (pigment of our skin and hair) is found, the laser focuses energy down to the follicle of the hair causing damage and ultimately the inability of the follicle to re-grow new hair. All lasers employed for Laser Hair Removal Bellevue use the same basic principle for their intended purpose, but many different methods to get there. From Alexandrite crystal focused lasers to CO2 fraxelated lasers, there are many options for your provider to choose from. This isn't really a concern for you though. Their experience and ability to properly fire the laser machine IS a concern for you.