17 Hard BIAB™

17 Hard BIAB™ offers soft, peachy pink elegance and a strong, long-lasting finish — even on longer nail styles. This advanced hard builder gel combines the durability of a hard gel with the effortless application you know and love from our original BIAB™ formula, making it a salon essential for every nail tech.

Looking for the perfect solution for heavy-handed clients? Need to create long, strong manicures that last? Hard BIAB™ is perfect for sculpting extensions, reinforcing long natural nails, or setting up a flawless base for color. What's more, you can expect exceptional control, self-levelling precision and a smooth, streak-free finish. Searching for our original 17 BIAB™ with a soak-off formula? Shop it here and meet the formula that started a movement.

With a thicker viscosity for precision shaping and a file-off formula built to last 4+ weeks, it's the ultimate solution for strong nail overlays, infills, nail fixes and durable nail extensions. Proudly made in the UK and HEMA & TPO-free, this hard builder gel is a must-have for every professional kit.

Want them all? Get the full Hard BIAB™ Collection — 12 shades for the price of eight for a limited time only. That's a 25% saving on the ultimate builder gel lineup.*

Built-in base for improved retention. File-off system, can be paired with TGB Base Coats for easier removals.

Why Pros Love It

100% of users said it was suitable for repairing split or chipped nails.**

100% of users were able to build the apex as desired.**

20ml approx. 75 sets

Removal: File-off

*Terms and conditions apply, offer available while stocks last.

**Clinical user trial results — October 2025. Results based on an independent study of 30 professional nail technicians.