ageLOC Tru Face Essence Duet is a dual-chamber product that combines two powerful formulas, to be mixed at the moment of use to deliver ageLOC and Tru Face FirmPlex benefits to the neck and décolleté. This silky smooth formula helps limit the loss of elasticity to promote contouring and visibly lift and soften the skin, while advanced optical technology diffuses light so skin looks smooth, radiant, and youthful.