Dual Head Design for Easy Application: This nail glue gel features a beginner-friendly brush and pen tip design, allowing you to apply it precisely where needed without making a mess. The brush can cover larger areas, while the pen tip is perfect for small details and individual rhinestones. A great addition to any nail tech supplies. | Strong Adhesive Rhinestone Glue: Makartt Nail Rhinestone Glue for nails provides a super strong adhesive that securely holds your nail art decor, rhinestones, charms, gems, crystals, and diamonds in place for at least two weeks with an LED lamp. A perfect addition to your nail art tool kit. | Precise Application Tip Nail Glue: With brush and pen tip applicators, Makartt nail charm glue makes it easy to apply the clear rhinestone glue precisely where you need it, ensuring that your nail art stays put. A great nail artist supplies. | Environment-Friendly and Healthy Ingredients: Makartt nail diamonds gel is made from natural resin with MSDS certification. It's vegan and cruelty-free, has no unpleasant odor, and is gentle on skin and nails. A Great Manicure Gift For Nail Art Lover. | How to Use: Use the brush tip to spread the crystal glue resin onto your nails. Add the rhinestones and cure with an LED lamp for 1-2 minutes until dry. Fill any gaps between the rhinestones with the pen tip and base for better adhesion, then cure again. Finally, apply the gel top coat and cure until dry to secure your nail charms.