WHAT IT IS: Keratin-bonding reinforced cross-linking UV gels for durable enhancements. WHAT IT DOES: Create enhancements that covalently bond to keratin for superior adhesion and maximum durability. WHY YOU NEED IT: Wearable: Create strong, thin, light, natural-looking nails. Workable: Non-stringy, easy-to-use formulas. Lasting: Covalently bond to the natural nail. Hypoallergenic: Non-acrylate, gluteraldehyde and formaldehyde-free formulas. Versatile: Ideal for sculpting on forms and creating overlays on fingers and toes. Odorless: Perfect for salons, day spas and destination spas. Hypoallergenic - a non-acrylate, gluteraldehyde and formaldehyde free formula. Versatile - idea for sculpting on forms and creating overlays on fingers and toes. Odorless - perfect for salons, day spas and destination spas.