Long-lasting 21FREE+ Gel Polish
Rubber Base 21FREE Starter Pack
Everything you need for Rubber Base nails
In stock - ready to ship
Included in the kit
SmartFold UV/LED lamp

The Gel Guide

Rubber Base • 09 Au Naturel • 21FREE+
09 Au Naturel is the classic, natural nude — balanced, soft and timeless. Reinforcement with a discreet, polished look that never goes wrong. It's ...

Base Coat 21FREE+
Our 21FREE+ Base Coat is the invisible foundation beneath your entire gel manicure. It's designed to create strong adhesion between the natural nai...

Top Coat No Wipe
Our 21FREE+ Top Coat is the final seal that protects your gel manicure and gives your nails a perfectly glossy, professional finish. It locks the c...

Primer 21FREE+
The best result starts before the colour goes on. Primer 21FREE+ is the invisible layer between nail and gel that makes your whole manicure sit bet...

Cleaner+
The Gel Collection™ Cleaner+ 150 mlCleaner+ is a multifunctional cleaning liquid that both cleans and degreases the nail before nail treatment, can...

Premium Nail File 100/180
The Gel Collection™ Premium Nail File 100/180 This Premium nail file from The Gel Collection™ is made from the best materials to ensure long durab...

Buffer, wipes & prep-tools
The Gel Collection™ Premium Buffer 100/180This Premium Buffer from The Gel Collection™ is made from the best materials to ensure long durability an...

Cuticle Oil 21FREE+
Beautiful nails aren't only made when you do them. They're made on all the days in between. Cuticle Oil 21FREE+ is the daily care that keeps nails ...

Color Kit French / Babyboomer
The 2 most popular colours + ombre sponges
Color Kit
The two most requested looks — in one kit. Classic French and the soft babyboomer look: the Color Kit gives you Gel Polish 200 White and 252 Voice Note plus 8 ombre sponges for the smooth gradient. Base and top are already in your kit — so you can start right away.
Products included



Gelaway cleansing gel
Removes uncured gel from the skin after your manicure
Gelaway - After Manicure Cleansing Gel
The final step in a well-planned gel routine. When you do gel nails, uncured gel can end up on the skin — in the nail folds and on your fingertips. Gelaway is made exactly for that: an effective cleansing gel that removes uncured UV gel after your manicure. Especially for you if you are new to gel.

Drill Expert SMART
Electric nail file — faster removal and prep
Drill Expert SMART™ Electric Nail File
The tool that makes removal and prep much faster. Drill Expert SMART is our electric nail file — it gently removes old gel and gets the nail ready for the next layer. Compact, rechargeable and easy to use at home.
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See the product in action
How to use
See how others use this product
Product Information
Description
Rubber Base provides reinforcement for natural nails. It can be used as a strengthening base under Gel Polish color or used alone as a beautiful natural reinforcement. The consistency is relatively fluid and should be "glided" onto the nail at a brisk pace. It comes in a bottle, so application is quite easy and simple. With our Rubber Base 21FREE Starter Kit from The Gel Collection, we have gathered everything you need when you want to strengthen your own nails with Rubber Base.
The starter kit includes:
• Rubber Base • 09 Au Naturel
• The Gel Guide*
• SmartFold UV/LED lamp
• Base Coat 21FREE+
• Top Coat 21FREE+
• Cleaner+ 50ml
• Premium Nail File 100/180
• Premium Buffer 100/180
• Primer 21FREE+
• Lint-free wipes (200 pcs)
• Cuticle oil
• Cuticle pusher
• Cuticle clipper
* You’ll also receive The Gel Guide – a thorough and beginner-friendly guide that makes it easy to get started with DIY nails.
It includes an introduction to our starter kits, basic nail theory, product overviews, and visual step-by-step guides that show you exactly how to create beautiful results at home.
The guide also explains how gel products work – so you’ll understand both the technique and the science behind them.
Remember to purchase one or more optional Gel Polish colors if you want Gel Polish on top of your Rubber Base.
What makes The Gel Collection unique?
At The Gel Collection, we stand behind our very own developed brand, The Gel Collection, which offers UV-curing gel products for home use. The products are free from 21 types of harmful chemicals, easy to remove via our easily dissolvable formula, vegan, free from palm oil, and developed and manufactured to strict European standards. Additionally, we have perhaps Denmark's best and largest learning universe for all levels.
How do I do it?
To ensure the best possible experience when using your new nail products, we recommend that you take the time to watch our learning universe and read the accompanying theory book through. When theory, nail technique, and step-by-step guides are followed, there is a guarantee that you will not damage your nails and that you will achieve long-lasting durability.
How to use
Get the most out of your nail products by taking the time to watch our video guides. There you will find step-by-step guides and everything you need to know about theory and techniques. When you follow the guidance, you protect your nails and secure long wear at the same time.
How to strengthen with Rubber Base – step by step
Strengthening gives your natural nail strength and flexibility – and you can add colour on top if you like.
This kit is used in every step
- Prep – file length and shape, push back the cuticles, buff the surface lightly, clean with cleaner and apply primer (air-dries in 60 sec.). Watch the prep video guide →
- Base coat – a very thin layer, seal the free edge, and cure the whole hand in the lamp. Some rubber bases don't need a base coat – check yours.
- Reinforce with Rubber Base – first brush a very thin slip layer over the whole nail (without curing). Place a small bead in the centre of the nail, push it towards the cuticle and out to the sides, and pull the rest evenly towards the tip – seal the free edge. Turn the nail upside down so the gel forms a natural apex. Flash-cure 10 sec. per nail, and fully cure the whole hand at the end.
- File the shape (if desired) – remove the sticky layer with a wipe and cleaner, file the nail, and wipe it free of dust.
- Gel Polish colour (optional) – two thin coats on top of the reinforcement, cure between coats.
- Top coat – seal the free edge, and cure.
- Nail oil – wash your hands and finish with oil at the cuticles and under the nail.
21FREE+ concept
Our 21FREE+ formula is free from 21 of the most common questionable ingredients — for a kinder, longer-lasting manicure.
Ingredients
Rubber Base • 09 Au Naturel:
Base Coat 21FREE+:
Top Coat 21FREE+:
Cleaner+ 150ml:
Primer 21FREE+:
Nail & Cuticle Oil 9 ml • Fragrance Free:
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89% who have reviewed is recommending the product
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