Following a professional 3 step gel system: DND Gel Polishes needs to be cured under a LED lamp, used with the DND Basecoat Gel and DND Topcoat Gel. Matching nail lacquers need to air dry. How to Apply DND Gel Polish: 01 Prep: Clean and prepped nails, then apply a single coat of DND Basecoat Gel and Cure under a LED lamp for 30 seconds 02 First color coat: Apply a single thin layer of DND Gel color and cure for 30–45 seconds 03 Second color coat: Apply the second thin layer of DND Gel color and cure for 30-45 seconds 04 Finish: Apply DND Topcoat No-Cleanse Gel and cure for 30 seconds Pro Tip: Always apply thin, even layers of gel color to ensure proper curing. Applying thick layers of gel color can result in an uneven cure leading to chipping and peeling. For healthy nails, moisturize your cuticles daily. Why Buy DND Duo Matching Colors at TTT Beauty Nail Supply? Authentic & high-quality: 100% genuine DND products Chip-resistant & long-lasting: Last long to 4 weeks of flawless nails Huge color selection: From spring to winter seasonal collections; light to bold, nude's trendy shades Fast USA Shipping: Quick delivery nationwide Love This Product? Explore Our Best Sellers! Save up to 40% OFF on selected items Save Even More on Every Order: FREE Shipping on orders $100 3% OFF orders of $500+ (≥$15) 5% OFF orders of $1,000+ (≥$50) Shop Best SellersExplore Nail Tools & Accessories