Nail Thickening Build-up Triology: Upgraded Nail Thickening Protection Trio Set with 1* 15 ml Clear Builder Nail Gel + 1* 15 ml Non-Acid Base Coat + 1* 15 ml Shiny Top Coat. Exclusive combination for providing triple nail thickening protection for thin, soft, or brittle cracked nails, ideal for building the look you’ve always dreamed of, and achieving the best modern salon-looking gel mani at home with a small fee. Note: Need to be cured under U V/LED lamp for 60-90 s