. It still holds length well: medium length with a thin layer and longer extensions (up to 1:1 ratio with the natural nail) when applied in thicker layers. (Maximum scale value is 5.) NAILSOFTHEDAY Builder Gel is a builder gel ideal for nail extensions and for creating strong, long-lasting architecture. Benefits:— suitable for sculpting with upper and lower forms— self-leveling— no shrinkage— polymerizes quickly— easy to file— reliably holds the arch— reduced heat effect— does not yellow during polymerization— provides durability and protection for natural nails Application: Degrease the nail plate with Nailsoftheday Nail Prep Apply Nailsoftheday DEHYDRATOR Apply Nailsoftheday ULTRABOND Create a flexible base using medium-acid Nailsoftheday Rubber Base, adhesive Nailsoftheday Scotch Base or Nailsoftheday Builder Base Evenly distribute Builder Gel and smooth the surface Finish with a glossy top (Universal Top, Glossy Top No Wipe, or No Stress Top No Wipe ANTI-SCRATCH) or a matte top (Teddy Top Wipe or Matte Top No Wipe) . Use only as directed. Keep away from sunlight and out of reach of children.