Unplug the sanitizer.

Remove the drip tray, protective screen and the light bulb

Thoroughly rinse the brush head holders and the drip tray with warm soapy water and wipe them clean with a damp cloth

Wipe the bulb, the protective screen, and all internal and external surfaces with a damp cloth

Let all items dry before you reinstall them

Reattach the drip tray, protective screen and light bulb