Color Bottles: Different from other black bottles, we design the color bottles according to the gel color, it gives you the most accurate view when doing gel manicure Salon-Quality Results at Home: Designed for easy, smooth application, allowing anyone to achieve salon-quality nails without professional training. High-Pigment Gel Polish:The high-pigment gel polish ensures that even lighter shades provide full, even coverage with minimal layers. 30 Days Long Lasting: With proper application, long lasting at least 30 days and not have any issues with chipping or peeling off Tips: Cure under UV or LED lamp for 90-120 secs; base and top coat required Professional usage: Step 1. Clean Nails then trimming nail surface as normal manicures process. Step 2. Fully shake up the gel polish, it can make the gel polish color balanced. (Important) Step 3. Apply base coat first,which can make polish lasting longer, cure with UV lamp or LED lamp. (Necessary) Step 4. Apply first thin layer of color gel directly, cure with UV lamp for 2 minutes or cure with LED lamp for 60 seconds. Step 5. Apply second thin layer of color gel and then immediately cure with UV lamp for 2 minutes or cure with LED lamp for 60 seconds. Step 6. Apply top coat, cured by UV lamp or LED lamp.