Astra builder gel collection A collection with a new formula that allows you to create long and durable nails. Gels with an incredible effect. Inside you will find fine glitter particles and reflective effects. Ideal for creating designer nails, built-in French and for building nail beds. Easy to pinch, ideal for building with paper forms and upper forms. In every technique, they work with ease. Consistency - medium viscosity. Thanks to their self-leveling properties, you will create nails with a minimal need for filing or no filing at all. Also ideal for strengthening natural nails and for 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 thickness.