BIAB, or ”Builder In A Bottle,” is a versatile nail product used for strengthening and enhancing natural nails. It’s a type of soak-off gel that combines the flexibility of gel polish with the durability of hard gel, making it ideal for a wide range of nail treatments. BIAB is commonly used for creating natural overlays, reinforcing weak or brittle nails, and building short extensions. It’s perfect for clients who want to grow their natural nails or prefer a stronger, longer-lasting manicure.