Biab Nagels Builder in a Bottle

Biab Nagels Builder in a Bottle

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BIAB Builder In A Bottle

BIAB (Builder in a Bottle) is an all-in-one builder gel in a convenient bottle with a built-in brush. This eliminates the need for separate gel pots or brushes. The product is soakable, flexible, yet firm—ideal for both strengthening and extending natural nails.

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BIAB feels lightweight, provides a natural look, and is less damaging than many traditional acrylic systems. Thanks to its self-leveling formula, you'll achieve beautifully smooth nails with minimal effort.
Want to apply a perfect color afterwards? Then check out our natural and halal nail polish.

Why choose BIAB nails?

✔ Natural look & feel

The nails remain flexible and comfortable, yet strong enough for daily use.

✔ Strengthening and extension

BIAB can be used to strengthen weak nails or to extend a short nail with a template.

✔ Soak-off & gentle on the natural nail

Unlike acrylic, it does not require aggressive filing to remove.

✔ Long-lasting wearability

BIAB nails remain on average 3 to 4 weeks beautiful, without cracks or breaks.

✔ Suitable for all levels

Thanks to the built-in brush and self-leveling, BIAB works quickly and flawlessly — perfect for beginners and professionals alike.

Which BIAB products are popular?

Several professional brands offer Builder in a Bottle variants:

  • ProNails – Bflex & Bstrong

  • ORLY – Builder in a Bottle

  • CND – Plexi Gel

  • Faby – MicroFiber

  • Astonishing – 1 Step Brush Builder

  • Nail Perfect – Build That Nail

  • Gelish – Structure Gel

  • Halal Cosmetics. 

STEP-BY-STEP GUIDE: New BIAB kit

(Steps may vary slightly by brand, but this is the most commonly used professional method)

Step 1 – Mini manicure

File the nails into shape, gently push back the cuticles and remove the membrane.

Step 2 – Degreasing

Degrease the nail plate with a cleaner or scrubfresh.

Step 3 – Primer

Apply primer and let air dry.

Step 4 – Extend if necessary

Place a template or tip to extend the free edge (max. 1/3 of the nail plate).

Step 5 – Building the extension

Apply a thin layer of building gel to the free edge.

Step 6 – Curing (10 sec)

Step 7 – Thin layer of ironing

Apply a very thin layer of BIAB, but do not allow it to harden yet.

Step 8 – Drip Technique

Place a drop at the top of the nail and let the product level down.

Step 9 – Curing (30 sec)

Step 10 – Remove template + re-cure (60 sec)

Step 11 – Cleaning + filing

Clean with alcohol, file the shape and buffer for a smooth surface.

Step 12 – Color & Topcoat

Apply color as desired. For natural looks, we recommend natural and halal nail polish

STEP-BY-STEP: BIAB Filling (After 3 weeks)

Step 1 – Push back cuticles

Step 2 – Remove old paint (milling cutter or hand file)

Step 3 – Smooth out roots

Step 4 – Clean nails

Step 5 – Primer on the natural nail

Step 6 – New BIAB layer + drip technique

Step 7 – Follow steps 7 through 12 of the new set again

STEP-BY-STEP: Completely Remove BIAB

Step 1 – Shorten nails

Step 2 – File away 80% of the product

Step 3 – Soaking (15–20 min)

Step 4 – Gently scrape off the product with a hoof stick

Step 5 – Performing a mini manicure & nail care

FAQs

1. What exactly is BIAB?

BIAB stands for Builder in a Bottle — a building gel in a bottle that strengthens and lengthens nails.

2. Is BIAB better than acrylic?

BIAB is more flexible, less damaging to the natural nail, and can be soaked off. Acrylic is stronger, but harder and can cause damage more quickly.

3. How long do BIAB nails last?

Average 3 to 4 weeks, depending on nail growth and care.

4. Can you use BIAB on short nails?

Yes, BIAB is ideal for short and weak nails. It provides instant strength.

5. Is BIAB suitable for brittle or damaged nails?

Yes, BIAB is often used to repair and protect damaged nails.

6. Can you combine BIAB with nail polish?

Yes, you can perfectly combine BIAB with any colour from our natural and halal nail polish collection

7. How do you remove BIAB safely?

By filing away 80% and soaking the rest in nail polish remover. This prevents damage to the natural nail.

8. Is BIAB vegan or halal?

BIAB is not always vegan or halal — this varies by brand.
For guaranteed halal and natural nail polish you can look at:
Natural & Halal Nail Polish.

9. Can BIAB be used on toes?

Yes, BIAB can also be used on toenails, especially on damaged or weak nails.

10. Do you need to remove BIAB between treatments?

No, usually only 90% is removed and the set is simply rebuilt.