About This HEALTHY AND SAFE FORMULA: MelodySusie upgraded gel base and top coat set is HEMA-free,HPMA-free,TPO-free,non-yellowing and low odor.This formula is friendly to those with sensitive skin.It does not contain irritating ingredients or adhesives that cause nail damage LONG-LASTING: The base coat improves the adhesion of the gel nail polish,reduces the risk of flaking and peeling,makes the color of the gel nail polish more vibrant and full,ensures a long-lasting and beautiful nails SMOOTH SURFACE: Fill in the unevenness of the surface of the nail,make the subsequent application of nail polish or gel smoother,enhance the overall aesthetic.Brush easily covers the edges,providing a silky smooth application experience,cured with LED/UV lamp for 60S-120S to ensure perfect results. WIDELY APPLICABLE: Suitable for nail extension gel, gel nail polish, false nails, natural nails, acrylic nails,dipped powder nails,french tip,press on nails,chrome powders,holograhic powders, and nail powders etc.To meet different nail art needs WARM TIPS: This product is free from TPO, HPMA, and HEMA, but other ingredients may still cause allergies. This nail polish is only for nails. Before first use, perform a patch test by applying a small amount to your skin.If an allergic reaction occurs, discontinue use immediately. Rinse the affected area with water. If irritation persists, consult a doctor.Keep out of reach of children.If there are any problems, please contact us Overview Brand : MelodySusie Color : Base Coat Liquid Volume : 0.5 Fluid Ounces Special Feature : Non Toxic, Long Wearing Type : gel Item Form : Gel Finish Type : Glossy Number of Items : 1 Package Information : Bottle Manufacturer : MelodySusie