Mermaid Effect Black IIThe bestselling Indigo effect dust incompletely new version! TheMermaid EffectBlack creates an iridescent glow on thenail and adds depth oftheAurora Borealis by creating blue and green colour shift on ablack base colour. All it takes isa couple ofseconds for themagic tohappen.HOW TO USE IT:create aclassic gel polish manicure, gel polish ombre or cover theenhanced nail with a gel polsih colour of your choiceafter curing it inthelamp thesecond coat ofgel polish rub thedust into thedispersive layer for acouple ofseconds with afinger or an applicator.excess product should be removed with asoft brush.apply the uv gel top coat, remember tocoat thefree edge ofthenail.cure it ina lamp.