Overview
Builder in a Bottle Blush 15ml is part of NSI's Builder in a Bottle (BIAB) range, supplied in a 15ml bottle. BIAB is a strengthening gel system used to extend, structure, and reinforce the natural nail without the need for tips or heavy filing, giving a durable, flexible enhancement that wears well between appointments.
Key Benefits
- Self-levelling formula that builds structure with minimal filing
- Cures under LED/UV lamp for a fast, controlled application
- Strengthens and protects the natural nail while it grows out
- Flexible wear that resists cracking and lifting
Why Professionals Choose It
Technicians choose BIAB systems like this one because they combine the strength of an enhancement with the light, natural feel of a gel manicure, reducing nail damage compared to traditional acrylic overlays.
How to Use
Apply in thin, even layers over a prepped natural nail, curing under an LED/UV lamp between coats. Shape and refine with a fine-grit file before sealing with a top coat.
Suitable For
Suitable for professional nail technicians offering BIAB, gel overlay, or nail strengthening services.
Frequently Asked Questions
What is BIAB?
BIAB stands for Builder in a Bottle, a brush-on gel system used to strengthen and extend the natural nail.
Does it need a base or top coat?
Yes, use with a compatible NSI base and top coat for the best adhesion and finish.
Is Builder in a Bottle Blush 15ml suitable for beginners?
Yes, with correct application technique and cure times it is suitable for technicians at all experience levels.
Pairs well with other NSI professional nail products.
