Reinforcement Products - Nail Strength – Thegelcollection.com

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Beginners Guide

START HERE

Gel Polish 21FREE Starter Kit

Gel Polish Starter Kit

If you are completely new to doing your nails at home, it can be difficult to figure out which pr...

62⁰⁰ EUR | Level

Add to basket

UPGRADE HERE

Rubber Base • Clear • 21FREE

Rubber Base Clear

The Gel Collection™ UV/LED Rubber Base Experience the rev...

13³⁰ EUR

Liquid Builder Gel • Pink Kiss • 21FREE

Liquid Builder Gel

The Gel Collection™ UV/LED Liquid Builder Gel Liquid Buil...

13³⁰ EUR

Builder Gel Extension Add-on Package

Builder Gel Extension Add-on

Builder Gel is perfect for both strengthening and extendi...

47⁵⁷ EUR

Soft Gel Press On Tipper Add-on Package

Press On Tipper Add-on

The new Soft Gel Press On Tips from The Gel Collection, ...

47⁶⁰ EUR

A word from the founder

Once you understand the system, everything becomes simple. Start with the basics, then choose an "upgrade" based on your nail goals whenever you are ready. You got this!

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Gel Polish Colors

A word from the founder

Every gel polish color is made with care. Our 21FREE formula excludes 21 potentially harmful chemicals, so you can choose color with confidence every time.

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Strength & Length

Rubber Base

Rubber Base

Strengthens thin nails

Liquid Builder Gel

Liquid Builder

Strengthens very thin nails

Gel Tips

Builder Gel

Builder Gel

Build extension with liquid gel

Polygel

Polygel

Build extension with firm gel

Tools and files

Tools

For any step of the process

A word from the founder

Different nails need different solutions. Whether you want strength, length, flexibility or instant shape, start with your nail type and choose the system that fits your goal.

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Equipment

Builder Base

Base Gels

Tools and files

Tools

For any step of the process

Liquids

Machines

Machines

Machines that make it all easy

Removal and Care

Removal & Care

When to remove and care for

Nail Art

Nail Art

Nail accessories

Accessories

Everything you can't do without

Travel Size

Travel Size

The perfect on-the-go

A word from the founder

Different nails need different solutions. Whether you want strength, length, flexibility or instant shape, start with your nail type and choose the system that fits your goal.

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Academy

A word from the founder

Different nails need different solutions. Whether you want strength, length, flexibility or instant shape, start with your nail type and choose the system that fits your goal.

Explore all products

Discover

A word from the founder

Different nails need different solutions. Whether you want strength, length, flexibility or instant shape, start with your nail type and choose the system that fits your goal.

Explore all products

Builder Gel Extension Add-on Package

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Builder Gel Extension Add-on Package

Builder Gel Extension Add-on Package

Regular price €47,57

Sale price €47,57 Regular price ~~€67,95~~
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Builder Gel 21FREE Starter Kit

-30%
Builder Gel 21FREE Starter Kit

Builder Gel 21FREE Starter Kit

Regular price €89,97

Sale price €89,97 Regular price ~~€128,95~~
Unit price per

-30%
Builder Gel Reinforcement Add-on Package

-30%
Builder Gel Reinforcement Add-on Package

Builder Gel Reinforcement Add-on Package

Regular price €18,87

Sale price €18,87 Regular price ~~€26,95~~
Unit price per

-30%
Builder Gel • Calm Rose • 21FREE

-40%
Builder Gel • Calm Rose • 21FREE

Builder Gel • Calm Rose • 21FREE

Regular price €11,37

Sale price €11,37 Regular price ~~€18,95~~
Unit price per

-40%
Builder Gel • Dusty Blush • 21FREE

-50%
Builder Gel • Dusty Blush • 21FREE

Builder Gel • Dusty Blush • 21FREE

Regular price €9,48

Sale price €9,48 Regular price ~~€18,95~~
Unit price per

-50%
Builder Gel • Natural White • 21FREE

-30%
Builder Gel • Natural White • 21FREE

Builder Gel • Natural White • 21FREE

Regular price €13,26

Sale price €13,26 Regular price ~~€18,95~~
Unit price per

-30%
Builder Gel • Peachy • 21FREE

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Builder Gel • Peachy • 21FREE

Builder Gel • Peachy • 21FREE

Regular price €13,26

Sale price €13,26 Regular price ~~€18,95~~
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Builder Gel • Clear • 21FREE

-33%
Builder Gel • Clear • 21FREE

Builder Gel • Clear • 21FREE

Regular price €12,64

Sale price €12,64 Regular price ~~€18,95~~
Unit price per

-33%
Builder Gel • Pink Bliss • 21FREE

-50%
Builder Gel • Pink Bliss • 21FREE

Builder Gel • Pink Bliss • 21FREE

Regular price €9,48

Sale price €9,48 Regular price ~~€18,95~~
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-50%
Builder Gel • Pure Pink • 21FREE

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Builder Gel • Pure Pink • 21FREE

Builder Gel • Pure Pink • 21FREE

Regular price €13,26

Sale price €13,26 Regular price ~~€18,95~~
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Builder Gel • White • 21FREE

-50%
Builder Gel • White • 21FREE

Builder Gel • White • 21FREE

Regular price €9,48

Sale price €9,48 Regular price ~~€18,95~~
Unit price per

-50%
Liquid Builder Gel • Pink Kiss • 21FREE

-30%
Liquid Builder Gel • Pink Kiss • 21FREE

Liquid Builder Gel • Pink Kiss • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

-30%
Liquid Builder Gel • Nude Perfection • 21FREE

-30%
Liquid Builder Gel • Nude Perfection • 21FREE

Liquid Builder Gel • Nude Perfection • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

-30%
Liquid Builder Gel • White • 21FREE

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Liquid Builder Gel • White • 21FREE

Liquid Builder Gel • White • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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Polygel 21FREE Starter Kit

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Polygel 21FREE Starter Kit

Polygel 21FREE Starter Kit

Regular price €90,00

Sale price €90,00 Regular price ~~€129,00~~
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PolyGel • Caramel • 21FREE

-50%
PolyGel • Caramel • 21FREE

PolyGel • Caramel • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Polygel Extension Add-on Package

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Polygel Extension Add-on Package

Polygel Extension Add-on Package

Regular price €47,60

Sale price €47,60 Regular price ~~€68,00~~
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Polygel Reinforcement Add-on Package

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Polygel Reinforcement Add-on Package

Polygel Reinforcement Add-on Package

Regular price €27,30

Sale price €27,30 Regular price ~~€39,00~~
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PolyGel • Clear (transparent) • 21FREE

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PolyGel • Clear (transparent) • 21FREE

PolyGel • Clear (transparent) • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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PolyGel • Nude Transparent • 21FREE

-50%
PolyGel • Nude Transparent • 21FREE

PolyGel • Nude Transparent • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
PolyGel • Rosy Transparent • 21FREE

-50%
PolyGel • Rosy Transparent • 21FREE

PolyGel • Rosy Transparent • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Polygel spatula

-30%
Polygel spatula

Polygel spatula

Regular price €7,70

Sale price €7,70 Regular price ~~€11,00~~
Unit price per

-30%
PolyGel • Milky Pink • 21FREE

-50%
PolyGel • Milky Pink • 21FREE

PolyGel • Milky Pink • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
PolyGel • Soft Rose Shimmer • 21FREE

-50%
PolyGel • Soft Rose Shimmer • 21FREE

PolyGel • Soft Rose Shimmer • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
PolyGel • Pink • 21FREE

-40%
PolyGel • Pink • 21FREE

PolyGel • Pink • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
PolyGel • Rosy • 21FREE

-50%
PolyGel • Rosy • 21FREE

PolyGel • Rosy • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Rubber Base 21FREE Starter Pack

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Rubber Base 21FREE Starter Pack

Rubber Base 21FREE Starter Pack

Regular price €69,00

Sale price €69,00 Regular price ~~€99,00~~
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Rubber Base • Clear • 21FREE

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Rubber Base • Clear • 21FREE

Rubber Base • Clear • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

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Rubber Base • Ballerina • 21FREE

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Rubber Base • Ballerina • 21FREE

Rubber Base • Ballerina • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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Rubber Base • Ivory • 21FREE

-30%
Rubber Base • Ivory • 21FREE

Rubber Base • Ivory • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

-30%
Rubber Base • Milky Nude • 21FREE

-40%
Rubber Base • Milky Nude • 21FREE

Rubber Base • Milky Nude • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
Rubber Base • Perfect Nude • 21FREE

-30%
Rubber Base • Perfect Nude • 21FREE

Rubber Base • Perfect Nude • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

-30%
Rubber Base • White • 21FREE

-50%
Rubber Base • White • 21FREE

Rubber Base • White • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Rubber Base • Soft Blush • 21FREE

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Rubber Base • Soft Blush • 21FREE

Rubber Base • Soft Blush • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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Rubber Base • Soft Pink • 21FREE

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Rubber Base • Soft Pink • 21FREE

Rubber Base • Soft Pink • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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Rubber Base • Dusty Pink • 21FREE

-40%
Rubber Base • Dusty Pink • 21FREE

Rubber Base • Dusty Pink • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
PolyGel • Pink Sand Shimmer • 21FREE

-50%
PolyGel • Pink Sand Shimmer • 21FREE

PolyGel • Pink Sand Shimmer • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
PolyGel • Baby Blush • 21FREE

-50%
PolyGel • Baby Blush • 21FREE

PolyGel • Baby Blush • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
PolyGel • White • 21FREE

-50%
PolyGel • White • 21FREE

PolyGel • White • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Liquid Builder Gel 21FREE Starter Kit

-30%
Liquid Builder Gel 21FREE Starter Kit

Liquid Builder Gel 21FREE Starter Kit

Regular price €69,00

Sale price €69,00 Regular price ~~€99,00~~
Unit price per

-30%
Liquid Builder Gel • Calm Blush • 21FREE

-30%
Liquid Builder Gel • Calm Blush • 21FREE

Liquid Builder Gel • Calm Blush • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
Unit price per

-30%
Liquid Builder Gel • Soft Nude • 21FREE

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Liquid Builder Gel • Soft Nude • 21FREE

Liquid Builder Gel • Soft Nude • 21FREE

Regular price €13,30

Sale price €13,30 Regular price ~~€19,00~~
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Liquid Builder Gel • Apricot Sunrise • 21FREE

-50%
Liquid Builder Gel • Apricot Sunrise • 21FREE

Liquid Builder Gel • Apricot Sunrise • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%
Liquid Builder Gel • Vintage Blush • 21FREE

-40%
Liquid Builder Gel • Vintage Blush • 21FREE

Liquid Builder Gel • Vintage Blush • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
Liquid Builder Gel • Girly Pink • 21FREE

-40%
Liquid Builder Gel • Girly Pink • 21FREE

Liquid Builder Gel • Girly Pink • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
Liquid Builder Gel • Champagne Shimmer • 21FREE

-40%
Liquid Builder Gel • Champagne Shimmer • 21FREE

Liquid Builder Gel • Champagne Shimmer • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
Liquid Builder Gel • Princess Pink Shimmer • 21FREE

-40%
Liquid Builder Gel • Princess Pink Shimmer • 21FREE

Liquid Builder Gel • Princess Pink Shimmer • 21FREE

Regular price €11,40

Sale price €11,40 Regular price ~~€19,00~~
Unit price per

-40%
Liquid Builder Gel • Rose Quartz Shimmer • 21FREE

-50%
Liquid Builder Gel • Rose Quartz Shimmer • 21FREE

Liquid Builder Gel • Rose Quartz Shimmer • 21FREE

Regular price €9,50

Sale price €9,50 Regular price ~~€19,00~~
Unit price per

-50%

About us

Founded in Denmark in 2020, The Gel Collection was created to make safe, high-quality gel nails simple to achieve at home. Through education, innovative formulas free from 21 unwanted ingredients, and a strong community, we are giving you the freedom to create nails on your own terms.

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