Trim nail surface, prep and push back cuticles, clean and dry your nails.Rub the bottle between your hands. (important)Apply Base gel thinly, and cure under UV lamp for 60s, LED light for 30s. Apply another base gel if need. (It is normal for a base gel keep stick after curing.)Apply black gel polish in a thin application.And cure under UV lamp for 120s, LED light for 30s.Apply 9D Galaxy Cat Magnetic Gel polish.And put the mangnet close to your nails for nails.And cure it.Apply Top coat and cure under UV lamp for 1 minute, LED light for 30 seconds.