Features: MelodySusie 7 in 1 BUILDER THICKENING NAIL GEL: Designed with an innovative formula, it's perfect for seven amazing uses including as a thickening overlay, building apex, extending length, shaping nails, attaching false nail tips/gems/jewels and as a base gel. CURIED with UV LED NAIL LAMP: This is UV gel. It needs to be cured under a UV/LED lamp for 90-120s. Long-lasting for 28+ days with proper application.(NOTE: It is normal for builder nail gel to remain a little sticky after curing, which will make a better adhesion between nails and gel layers. It is recommended to use a top coat to seal it). QUICK & EASY APPLICATION: In 3 easy steps can enhance beautiful ails： brush on, level, and cure. Its light self-leveling properties along with its built-in brush assist in an effortless application on the nail, helping you create length, and thickness or add strength to the nail you want. HEALTH-CONSCIOUS & LOW ODOR: Prioritizing your health, our builder gel is formulated with a toxin-free ingredient list, reducing the risk of nail damage and keeping the odor minimal. Perfect for those sensitive to strong smells, our polish ensures a safer, more pleasant manicure experience. SAFETY FIRST: May cause an allergic reaction by skin contact in rare cases. Do a test before using it to check for any reaction. Stop using immediately once feeling uncomfortable. Avoid the builder gel contact with eyes, mouth, and skin. If this phenomenon occurs, wash immediately with water. If you feel unwell, contact the doctor immediately. Please also keep out of the reach of children. Any problem, please contact us！ Specification:Product volume: 15mlPackage size: 2.17inch*0.98inch*4.33inchPackage Includes:1*15ml clear builder gel