How long does glow in the dark paint last and lifespan?

High-quality glow in the dark paint can glow for 8–12 hours after a full charge. Actual time depends on pigment quality, charging light, and paint thickness.. Brightness is strongest during the first hour and gradually fades through the night.

Lifespan of painted surfaces depend on environment and protection used.

Lifespan for glow powder (the raw material) is more than 10 years.