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The best laser
for freckles is Q-switched nd:yag laser of 532nm wave length.
In most cases only one sitting is required.
In the era when lasers were not there radiofrequency was used ,but it does not have good results.
So if you can afford a laser please go the above said one.
BAN A TAN has no good result on freckles,but it is good to use a medicated sunscreen daily.
consult a good dermatologist
who is doing a laser practice also to guide you best.
You can also log on to my website for details about freckles. ...www.skinhairclinic.com.