Serving the Contra Costa County area for over 20 years. Specializing in all of your electrolysis needs. Please contact today for more information. Specialties Serving the Contra Costa County area for over 20 years. Specializing in all of your electrolysis needs. Please contact today for more information. History Established in 1995. After graduating from Jane Riddle Institute of Electrology, Sharon opened Danville Electrology July 5th 1995. For over 20 years, it has been her privilege to work with clients in a private office to achieve permanent hair removal.