Police said James Vong faces several charges including aggravated indecent assault.
The alleged incident occurred in July at Artisan Nails in the 200 block of Ridge Pike in Conshohocken and involved a victim under the age of 16.
Vong was arrested on November 4 in Philadelphia. A preliminary hearing was held on December 1.
Vong is currently being held on $250,000 cash bail in Montgomery County.
Police believe it's possible there are other victims.
Anyone with any information is asked to call 610-279-1901.