uses both hormonal-based and personality-based matching techniques.
Chemistry has been successfully targeting people who have been rejected by e Harmony.
Chemistry's Compatibility System and Personality Profile are regarded for their accuracy and are among the best.
It is one of the fastest growing relationship sites in America.
— Chemistry.com's compatibility matching system is a next-generation technology which is based in part on the science of brain chemistry.
— You'll get a dedicated mailbox so you can wink, email, or flirt with anyone at any time, safely and privately.
offers more online features than any other dating service.
— Members can seek advice from professional relationship experts including Dr.
Pepper Schwartz, the co-developer of Duet ® Compatibility System.