Does laser hair removal with Candela Yag GentlePro work with fair skin and medium brown hair?

This is a combination laser of the Alexandrite and the YAG laser. This should be a great laser for hair removal for you if the alexandrite laser is used. Probably one of the best on the market. Continue with treatments, it should work well.

Katie- thanks for your question.  The YAG is a 1064nm wavelength and is best for darker skin types.  From your description, you would benefit most from treatments with an ALEX (or Alexandrite) 755nm wavelength which is best for lighter skin types with dark hair.  

You didn't mention what body area(s) you are treating which makes a difference too.  Another important factor for effective treatments is treatment interval (time between your laser hair removal treatments).  If you're treating your face you should have Tx every 4-6 weeks.  If anywhere on your body, you should have treatments every 6-8 weeks.

The last factor is the energy settings and "spot size" used by your practitioner.  An experienced laser technician will adjust the power and spot size to appropriately treat and adjust treatment as you're going in for treatments over time.

So... in summary, wavelength, treatment interval, power settings and spot size all play a factor in effective treatments.  Hope this help to clarify things for you.  Best of luck, Dr. Halliday