Jessica Top It Off Crackle Finish Top Coat adds an edgy twist to your nail colour. It's a black top coat that 'cracks' on the nail, mimicking the must-have animal print trend. Jessica Custom Colours are Formaldehyde, Toluene & DBP Free. Directions for use: 1. Apply your chosen Jessica Custom Colour & let it dry completely. 2. Apply a coat of Jessica Top It Off Crackle Finish Top Coat & let it dry for 3-5 minutes. 3. Seal the design with Jessica Brilliance. Why not try Jessica Top It Off Crackle Finish Top Coat on top of the Jessica Party Chic Summer Collection colours?