luster
Definitions
A gentle sheen or soft glow, especially that of a partly reflective surface.
The state or quality of shining by reflecting light; glitter or sparkle.
A source of light or a decorative object, such as a chandelier, that reflects light.
Examples
The antique silver teapot had lost much of its original luster over the years.
Her hair regained its healthy luster after she started using a new conditioning treatment.