Astra builder gel collection A collection with a new formula, thanks to which you can create long and durable nails. Gels with an amazing effect. Inside you will find fine glitter particles and reflective effects. Ideal for creating design nails, embedded French, and building nail beds. Easy to pinch, ideal for building with paper forms and dual forms. It works easily in every technique. Consistency - medium viscosity. Thanks to its self-leveling properties, you will create nails with minimal filing or no filing at all. Also ideal for strengthening natural nails and nail overlays. Before using the gel, apply a base coat (Clear rubber base/Hardy base), one of the two bases depending on the client’s nail density.