UV Gel Bond Acid 15 ml is a low viscosity transparent base coat which contains acrylic/methacrylic acid. It is a product that should only be used in case of greasy or problematic nails. Its function is to improve adherence to the natural nail. Photopolymerization in 120″ 36W UV lamp or 60″ in 48W LED UV lamp. Only compatible with structure gel, builder, builders. It is not compatible with monophasic gels. If applied before the one-phase gel, the hold of the gel and therefore its lifting will be compromised. Professional use. Italian product.