DND 739 Velvet - Daisy Collection Nail Gel & Lacquer Polish Duo 15ml Following a professional 3 step gel system: DND Gel Polishes needs to be cured under a LED lamp, used with the DND Base Gel and DND Top Gel. Matching nail lacquers need to air dry. Starting with completely clean and prepped nails, apply a single coat of DND base gel and cure for 30 seconds in a LED lamp Apply a single thin layer of gel color and cure for 30-45 seconds in a LED lamp Apply the second thin layer of gel color and cure for 30-45 seconds in a LED lamp Apply DND top coat no cleanse and cure for 30 seconds in a LED lamp Applying thick layers of gel color can result in an uneven cure leading to chipping and peeling. Make sure to hydrate daily by moisturizing the cuticles.