MelodySusie versatile BUILDER THICKENING NAIL GEL: Designed with innovative formula, it's perfect for many amazing uses including as thickening overlay, building apex, extending length, shaping nail, to attach false nail tips / gems / jewels and as a base gel/a color gel. | CURED with UV LED NAIL LAMP: This is UV gel.Need to be cured under UV/LED lamp for 90-120s. Long-lasting for 21+ days with 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 top coat to seal it). | QUICK & EASY APPLIACTION:In 3 easy steps can enhanced beautiful nails：brush on, level, and cure.Its light self-leveling properties along with built-in brush assist in an effortless application on the nail, help you create length, thickness or add strength to the nail you want. | HEALTH-CINSCIOUS & 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.