Description
Product Details
NSI Essential Seal LED / UV Top Coat – 15ml
NSI Essential Seal 15ml is a professional LED and UV curable gel top coat designed to protect, encapsulate and seal nail enhancements with a radiant high-gloss finish. Its smooth, polish-like application makes it easy to apply over a variety of NSI systems, creating a durable finishing layer with an ultra-shiny appearance.
Essential Seal can be used over acrylic, hard gel, gel polish and dip systems, making it a versatile finishing product for professional nail technicians. After curing, Essential Seal leaves a tacky dispersion layer which should be removed using NSI Cleanse to reveal the finished high-gloss shine.
Ultra High-Gloss Finish
Essential Seal brushes on smoothly like nail polish and creates a radiant, high-shine finish over completed nail enhancements. It is ideal for sealing professional manicures, protecting enhancement surfaces and helping keep decorative nail art looking beautifully finished.
LED & UV Curable
NSI Essential Seal is formulated to cure in a full-hand LED or UV nail lamp. Recommended curing is approximately 30 seconds under LED or 2 minutes under UV. Once cured, remove the tacky dispersion layer with a nail wipe saturated with NSI Cleanse.
Key Features
- Professional LED / UV gel top coat.
- 15ml bottle.
- Provides an ultra-shiny, high-gloss finish.
- Brushes on smoothly like polish.
- Protects, encapsulates and seals the nail.
- Suitable for acrylic, gel polish, hard gel and dip systems.
- Cures in full-hand LED and UV nail lamps.
- Flexible yet durable.
- HEMA-free.
- TPO-free.
- Sulphate free.
- Vegan.
- Designed for professional salon use.
NSI UK currently identifies Essential Seal as HEMA-free, TPO-free, sulphate free and vegan.
Compatible NSI Systems
- NSI Attraction Acrylic System.
- NSI Builder Gel In A Bottle.
- NSI Balance Elite Gel System.
- NSI Polish Pro Gel Polish System.
- NSI Secrets Removable System.
- NSI Simplicité PolyDip System.
NSI lists Essential Seal for use across these professional enhancement systems.
Benefits
- Creates a radiant professional high-gloss finish.
- Helps protect the surface of completed nail enhancements.
- Ideal for sealing and protecting decorative nail art.
- Suitable for multiple professional enhancement systems.
- Smooth brush-on application allows controlled coverage.
- LED and UV curing eliminates traditional air-drying time.
- Flexible yet durable formulation.
- Ideal for professional salon finishing services.
Specifications
- Brand: NSI.
- Product: Essential Seal.
- Size: 15ml.
- Product Type: LED / UV Gel Top Coat.
- Finish: Ultra High Gloss.
- LED Cure Time: Approximately 30 seconds.
- UV Cure Time: Approximately 2 minutes.
- Dispersion Layer: Yes – wipe after curing.
- HEMA-Free: Yes.
- TPO-Free: Yes.
- Sulphate Free: Yes.
- Vegan: Yes.
- Suitable for professional use.
Ideal For
- Professional nail technicians.
- Acrylic nail enhancements.
- Hard gel enhancements.
- Builder gel services.
- Gel polish manicures.
- PolyDip nail systems.
- Sealing nail art designs.
- Adding a high-gloss finish to completed enhancements.
- Professional salon and training environments.
Why Choose NSI Essential Seal?
- Ultra-shiny professional gel top coat.
- Creates a radiant high-gloss finish.
- Works across multiple NSI enhancement systems.
- Suitable for acrylic, gel and dip applications.
- Ideal for protecting and sealing nail art.
- Cures under both LED and UV lamps.
- HEMA-free and TPO-free formulation.
- Vegan and sulphate free.
- Convenient professional 15ml bottle.
- Trusted NSI professional quality.
Directions for Use
- Complete the chosen nail enhancement or gel polish application according to the appropriate NSI system instructions.
- Ensure the nail surface is correctly prepared for application of the finishing product.
- Apply an even layer of NSI Essential Seal over the entire nail.
- Cap the free edge to ensure complete coverage.
- Cure for approximately 30 seconds in an appropriate LED lamp or 2 minutes in a UV lamp.
- After curing, remove the tacky dispersion layer using a nail wipe saturated with NSI Cleanse.
- Reveal the finished radiant high-gloss shine.
Essential Seal is a wipe-required top coat rather than a no-wipe formula; the tacky layer should be removed after curing with NSI Cleanse.
Safety Information
- For professional use.
- Avoid contact of uncured gel with the skin and eyes.
- Do not flood the cuticle or surrounding skin during application.
- Ensure the product is correctly cured using a compatible LED or UV nail lamp.
- Follow the manufacturer’s recommended curing instructions.
- Keep the bottle securely closed when not in use.
- Store according to the manufacturer’s instructions.
- Keep out of reach of children.
- Refer to the manufacturer’s current SDS before professional use.
Top Tip: Apply Essential Seal in a smooth, even layer and cap the free edge before curing. Once fully cured, thoroughly remove the tacky dispersion layer with NSI Cleanse and a clean nail wipe to reveal the ultra-shiny high-gloss finish.





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