● after grinding, no cleaning is used to remove dust, and particles will be generated without complete dust removal

Correct method: after grinding, dust the surface with a cleaning brush

● too fast to apply, which is easy to produce bubble particles

Correct method: control the speed and strength of application, and keep it stable. When applying, the brush should be light to avoid bubble. If the force is too large or too fast, it will be easy to produce bubbles, there will be small particles that look like impurities; if the brush is applied on the surface of a at 180 ° angle, it is the cause of particles, and uneven application will be conducted.

● there is no cleaning of the bottle mouth for a long time, and the residue at the bottle mouth is brought into the bottle by brush

Correct method: regularly clean the used bottle mouth regularly to reduce or remove the residue.

● when applied, the brush or bottle mouth is illuminated by a phototherapy lamp, which causes the glue to solidify and then be brought into the bottle

Correct method: please use the back of the nail glue which opens the cover to the light source of the phototherapy lamp to avoid easy curing.