Chrome nail powder: How to use: 1.Apply a base coat on your nail and cure by UV/LED lamp until it totally dry. 2.Apply any color Gel on your nail,Preferably black,Because usually a black background works best for chrome powder,and cure by UV/LED lamp 60-120s until it totally dry. 3.important!This step will determine if you can make a mirror effect or not. Apply no wipe top coat on your nail,can't be any other top coat if you want mirror effect,and cure by UV/LED lamp 10-20 seconds(Depends on the power of the lamp),if it's too dry will be hard to apply powder,but if it's too wet,it will not get the mirror effect.Please try more to achieve the best results. 4.Take a small amount of powder with a cotton swab in the bag,and apply it onto your nail until the color completely covered. 5.Apply top coat and cure by UV/LED lamp until it totally dry.finished.