What shade of sexy are you? Jessica Custom Nail Colour in Sexy Siren is a reddy plum from the Burlesque Beauty Collection. Gliding on like silk for a rich depth of colour, it lasts for up to two weeks – now that’s real staying power! With Jessica you have the confidence of knowing you’re using colours exclusively formulated for natural nails, so polish stays on…and on. Jessica Custom Nail Colour in Sexy Siren is formaldehyde, toluene and DBP free. Directions of use: Start with clean, dry nails. Generously apply a basecoat using 8-10 strokes. Apply two coats of your Custom Colour under and over your nail sealing edges. Use Brilliance for high gloss, and/or a drop of Quick Dry to ensure against smudging. Brand: Jessica Nails. Range: Jessica Nails Burlesque Beauty Collection. Volume: 14.8ml.