Atica PERFIX Ultrabond is an acid-free primer formulated to create a durable, maximum-adhesion bond between the natural nail plate and gel, acrylic, or builder systems. Its gentle formula prepares the nail surface without causing dryness, sensitivity, or damage, making it ideal for weak, brittle, or problematic nails, while its tacky layer acts as a double-sided adhesive to prevent lifting and chipping.Why You'll Love It Acid-Free Formula: Safe and gentle, preventing nail plate dehydration. Maximum Adhesion: Drastically improves bonding for all artificial systems. Surface Repair: Helps smooth minor flakes and uneven textures. Problem Solver: Perfect for clients with weak or lifting-prone nails. Universal Use: Compatible with gel polish, builder gel, and acrylics. Best ForBest suited for improving adhesion on weak, brittle nails and preparing nails for hard gel or acrylic extensions. Air dry only — do not cure in a lamp.