The Nanoleaf Bloom works with a regular on/off light switch. It will not dim with a standard dimmer switch setup. Follow these steps to dim your Nanoleaf Bloom:
1) Flick switch ON - bulb takes about 3 seconds to reach full brightness
2) Flick switch OFF/ON to start dimming*
3) Flick switch OFF/ON again to set brightness in place*
*Flicking switch OFF/ON needs to be very quick in order to initiate and set dimming.