Shiny, curved, and reinforced nails without using fake nails? That’s the promise of nail strengthening, also known as kapping. A nail reinforcement technique increasingly popular among fans of long tenue manicures and domed finishes. But then, how exactly does this strengthening work? What are its advantages and disadvantages? And are there more natural alternatives to enhance your nails? Follow the guide: we explain everything.
To remember :
- Strengthening covers the natural nail with a thick gel or semi-permanent base.
- Goal: to strengthen, protect, and enhance the nail without adding length.
- Suitable for soft, brittle, or ridged nails.
- Final effect: mirror shine and natural curve.
- Done in a salon, it requires a precise protocol and removal with a file or acetone.
Strengthening: for strong and shiny nails on demand
What is nail strengthening?
Nail strengthening, or kapping, is a specialized technique for reinforcing nails that involves covering the natural nail with gel or a thicker semi-permanent base, with the goal of forming an invisible, protective shell that strengthens it and makes it shinier. This gel, often enriched with strengthening active ingredients like plant-based keratin, envelops the nail to make it more resistant and help it grow under good conditions. Performed by a nail technician, this method is similar to gel nail application, but unlike that, it does not add extra length: it simply enhances and consolidates the existing shape.
Strengthening is especially recommended if your natural nails are weakened, as is the case with:
- Soft nails that bend at the slightest impact,
- Brittle nails that split,
- Ridged nails lacking shine.
Nail strengthening can then be an interesting temporary solution to regain a smooth, even, and neat appearance. The final result is very natural, with a mirror shine and the famous domed effect we love!
A natural nail, enhanced and reinforced: that’s the art of strengthening.
How to strengthen your nails?
Nail strengthening follows a very precise protocol, similar to gel application.
- It all starts with meticulous nail prep: the natural nail is cleaned, disinfected, cuticles are pushed back, and the surface is gently polished to ensure perfect adhesion.
- Next comes the application of two layers of strengthening base (UV gel, semi-permanent polish, or acrylic resin). Usually, the nail technician will apply a first thin layer before applying a second, thicker one, providing extra protection while adding curve and strength.
- Finally, curing under UV lamp sets the material and gives full strength to the protective shell. At this stage, you can choose to keep a nude glossy effect or add a color or nail art (French manicure, polka dots, etc.) to personalize it as you like.
And for a flawless result over time, it is recommended to do a refill every three to six weeks, depending on how fast your nails grow. This appointment fills the gap formed between the base of the natural nail and the gel layer, while giving you the chance to change color or style as you wish!
Prepare your nails before protecting them with a strengthening gel.
Strengths and weaknesses of nail coating
✅ The benefits
🛡️ It acts as a protective shield: the coating protects nails from shocks and external aggressions. It’s an ideal technique if your natural nails tend to get damaged quickly, especially when in contact with water or household products.
🤡 The finish is very natural: since there is no extension, the nail keeps its shape but gains in curve and shine. It’s a great alternative to applying tips or fake nails.
💅 The “perfect nail” effect is immediate: the coating provides a smooth surface that hides imperfections and makes it easy to apply color or create nail art on top.
🌷 Plant-based active ingredients: quality strengthening bases are enriched with plant-based actives, such as plant keratin, which give an extra boost to soft or fragile nails.
❌ The drawbacks
⚠️ The composition of the products used: depending on their origin, UV gels and semi-permanent polishes are not always compliant with current regulations and may contain ingredients potentially risky to human health, especially when they come from countries outside the European Union.
⚰️A removal that can weaken nails: if done poorly - with overly intense sanding, mechanical scraping, or excessive use of acetone - it can weaken an already sensitive nail. In this case, it is best to allow a resting period between two coatings.
⏳ Time and money: both application and removal are done at a salon, which requires dedicating a certain amount of time and a significant financial investment over time.
To summarize :
- Protects nails from shocks and aggressions while strengthening their structure.
- Offers a natural finish with shape and shine, ideal for nail art or color.
- Bases enriched with plant-based actives stimulate nail health.
- Poor removal can weaken the nails.
- Requires time and budget at a salon, and some products may pose risks depending on their origin.
How to protect and strengthen your nails without damaging them?
As you’ve understood, coating can be a temporary solution to improve the strength of fragile nails. But it’s not always suitable for daily use, especially if you’re looking for a more respectful and easy-to-do routine at home. The good news? There are bio-sourced alternatives to achieve naturally stronger and more radiant nails without using UV gels. Yes! We have even designed expert treatments tailored to the specific needs of each nail type. Rather than covering the nail, they work on the surface and deep within its natural structure to help it regain strength and shine.
An expert treatment for soft or damaged nails
If your nails lack strength, a two-week treatment can transform their appearance.
Here’s how to do it:
- Week 1: apply the hardening treatment Keratin Booster 3 times a day on bare nails, letting it dry until fully absorbed. Its formula, concentrated with plant-based keratin, silicon, and biotin, stimulates keratin production and densifies the nail plate. Complete with a few drops of Green Oil 1 to 2 times a day, massaging on bare nails and surrounding areas to nourish and soften.
- Week 2: apply a layer of Strengthening Base on your bare nails every two days (up to 3 times during the week), without removing the first layers - and yes, that's the great part: they can be layered! At the same time, apply the ultra-hydrating Green Oil 1 to 2 times a day by massaging the nail and its surrounding area until the oil is absorbed.
And there you have it: a simple nail maintenance routine that promotes growth while helping nails become visibly stronger, smoother, and less prone to breaking.
Say goodbye to soft and damaged nails! Boost your nails’ resistance with our targeted care treatment.
2-in-1 care polishes for those in a hurry
If you don’t have time for a full treatment, our Active™ care polishes offer an express solution. With Active Shine, you strengthen, harden, and enhance your nails while giving them a beautiful highlighter shine. Active Bright is a brightening beautifying polish that strengthens and illuminates your nails naturally. As for Active Plump, it hydrates, shapes, and plumps your nails instantly for an irresistible glossy volume effect. These bio-sourced and vegan polishes are applied in one step, without base coat or top coat, and air dry, no UV lamp or restrictive protocol needed. They are just as easy to remove with a gentle remover. Perfect alternatives if you want a simple, effective, and lasting routine while avoiding the constraints of salon strengthening.
Enhance and strengthen your nails in one step with Active Shine, Bright, and Plump.
To summarize :
- Bio-sourced care products help strengthen and beautify nails.
Examples:
- Keratin Booster + Green Oil + Strengthening Base → strengthens and densifies the nail plate.
- Active™ care polish → nourishes, hydrates, and enhances in one step, without UV lamp.
- Advantage: simple, quick, economical, and nail-friendly routine.
- Ideal to avoid time, budget, and delicate removal of strengthening at a salon.
In short, nail strengthening is an interesting solution for soft and fragile nails, appealing for its protective effect and shiny finish. However, it requires time, a budget, and a delicate removal. There are other alternatives to strengthen, smooth, and brighten nails: gentle and effective nail care routines you can do yourself using vegan and bio-sourced products. It's up to you to choose according to your needs and desires!
