Layla Hologram Effect Nail Polish is made with the highest quality raw material to capture light and transform it into amazing, ever-changing visual effects with liquid swirls and rainbows. Products will not stain nails. Quick Drying. Use a top coat once polish dries. Wear time 3-4 days. Free of Formaldehyde, Toluene, DBP. Made in Italy. Formaldehyde free. Gives a 3D effect. Easy to apply with no cracking or bubbling. Quick drying. Not tested on animals.