Challengel Builder Gel – hard, HEMA-free and ideal for nail extensions
 Challengel is a high-quality, hard builder gel for anyone who wants to combine fast work with maximum stability and long-lasting results. It is ideal for nail extensions with forms, strengthening the natural nail, and the no-file technique .
 Thanks to its light consistency, the gel doesn't string when applied, is easy to work with a brush, and smooths out quickly and evenly. This significantly reduces the need for filing. Its high strength allows for pinching a stable tunnel that reliably retains its shape even with daily wear and tear. The finished product boasts a lifespan of up to 5 weeks .
 The modern formula is TPO and HEMA-free , which reduces the risk of skin irritation and makes the gel an excellent choice even for sensitive customers.
 Characteristics

 
 High strength – particularly resistant to impacts and loads
 
 Light consistency – self-leveling and easy to work with
 
 Tunnel pinchable – after approximately 13 seconds
 
 Suitable for the no-file technique
 
 TPO and HEMA-free formula – lower risk of skin irritation
 
 Excellent adhesion to the natural nail

 Application areas

 
 Nail extensions using forms
 
 Strengthening of the natural nail
 
 Refilling and refilling the modeling

 Technical data

 
 Consistency: light
 
 Strength: high
 
 Coverage: 80–100%
 
 Tunnel pinchable: Yes, after approximately 13 seconds
 
 Curing time: 60 seconds (UV/LED lamp ≥ 48 W)
 
 Formula: TPO and HEMA free