21 Studio

21 Studio brings together 21 builder gel shades, from coffee nudes and powder pinks to milky whites and shimmering finishes. Choose by colour and coverage: the range includes sheer effects as well as more opaque shades.

The medium-viscosity, thixotropic gels self-level after application and combine medium hardness with flexibility. Use them for natural nail reinforcement, building and extensions. Each shade is supplied in a 50 ml pot.

21 products

    • 21 Studio No.1 Cocoa Builder Gel 50 ml pot with a Cocoa colour swatch
    • 21 Studio No.1 Cocoa Builder Gel 50 ml product pot
    • Manicure in the warm coffee nude shade of 21 Studio No.1 Cocoa
    21 Studio No.1 Cocoa Builder Gel 50 ml
    21 Studio No.1 Cocoa Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.1 Cocoa Builder Gel 50 mlCocoa brings a muted coffee tone to natural-looking overlays and sculpted extensions. Its warm nude colour works on its own or as the starting point for understated nail art.The medium-viscosity gel moves under the brush, then self-levels to help refine the surface. Medium hardness and flexibility make it suitable for reinforcing the natural nail as well as building...
    • 21 Studio No.2 Mocha Glow Builder Gel 50 ml pot with a Mocha Glow colour swatch
    • 21 Studio No.2 Mocha Glow Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.2 Mocha Glow, shown with the product pot
    21 Studio No.2 Mocha Glow Builder Gel 50 ml
    21 Studio No.2 Mocha Glow Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.2 Mocha Glow Builder Gel 50 mlA milky coffee shade with fine shimmer, Mocha Glow adds a gentle glow to a nude manicure. Its 90% coverage gives the colour a more substantial presence while the small particles catch the light.Build an overlay or extend the nail with a thixotropic formula that becomes easier to work as you move the brush. It self-levels after...
    • 21 Studio No.3 Praline Builder Gel 50 ml pot with a Praline colour swatch
    • 21 Studio No.3 Praline Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.3 Praline, shown with the product pot
    21 Studio No.3 Praline Builder Gel 50 ml
    21 Studio No.3 Praline Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.3 Praline Builder Gel 50 mlPraline is a soft, creamy nude for manicures where the colour stays understated. Wear it as the finished shade for a minimal look, or use it beneath delicate detailing.Its medium-viscosity texture helps you place the gel before it self-levels. The formula balances medium hardness with flexibility and can be used to reinforce natural nails, build structure or create...
    • 21 Studio No.4 Dusty Rose Builder Gel 50 ml pot with a Dusty Rose colour swatch
    • 21 Studio No.4 Dusty Rose Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.4 Dusty Rose, shown with the product pot
    • Manicure using 21 Studio No.4 Dusty Rose
    21 Studio No.4 Dusty Rose Builder Gel 50 ml
    21 Studio No.4 Dusty Rose Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.4 Dusty Rose Builder Gel 50 mlDusty Rose gives nude nails a muted pink accent. With 85-90% coverage, it creates a soft rose finish that works particularly well as a single-colour manicure.The thixotropic gel responds to brush movement and settles into a level surface after application. It offers medium hardness with flexibility for natural nail reinforcement and sculpted extensions. Medium hardness and flexibility...
    • 21 Studio No.5 Blush Builder Gel 50 ml pot with a Blush colour swatch
    • 21 Studio No.5 Blush Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.5 Blush, shown with the product pot
    21 Studio No.5 Blush Builder Gel 50 ml
    21 Studio No.5 Blush Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.5 Blush Builder Gel 50 mlBlush is a light pink nude with 80% coverage, giving natural-looking nails a fresh wash of colour. The pale pink tone suits simple, classic manicures without needing an additional colour layer.Use the medium-viscosity formula for overlays, building and extensions. Its thixotropic behaviour helps with placement, while self-levelling makes it easier to smooth the surface before curing. Medium hardness...
    • 21 Studio No.6 Ballet Builder Gel 50 ml pot with a Ballet colour swatch
    • 21 Studio No.6 Ballet Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.6 Ballet, shown with the product pot
    21 Studio No.6 Ballet Builder Gel 50 ml
    21 Studio No.6 Ballet Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.6 Ballet Builder Gel 50 mlBallet is a pale nude pink for a gentle, natural-looking finish. Its 75% coverage leaves a softer colour effect than the more opaque shades in the 21 Studio range.The gel combines medium hardness and flexibility, with a medium-viscosity texture that responds to the brush. It self-levels after placement and supports both natural nail reinforcement and extensions. Medium hardness...
    • 21 Studio No.7 Nude Builder Gel 50 ml pot with a Nude colour swatch
    • 21 Studio No.7 Nude Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.7 Nude, shown with the product pot
    21 Studio No.7 Nude Builder Gel 50 ml
    21 Studio No.7 Nude Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.7 Nude Builder Gel 50 mlNude is a classic shade with 80-90% coverage for everyday manicures. Its natural colour can stand alone or provide a simple background for a wide range of nail art.A thixotropic texture helps you shape the product with the brush before it self-levels. The medium-hard formula retains flexibility and is suitable for overlays, building and extending nails. Medium hardness...
    • 21 Studio No.8 Cappuccino Builder Gel 50 ml pot with a Cappuccino colour swatch
    • 21 Studio No.8 Cappuccino Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.8 Cappuccino, shown with the product pot
    21 Studio No.8 Cappuccino Builder Gel 50 ml
    21 Studio No.8 Cappuccino Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.8 Cappuccino Builder Gel 50 mlCappuccino has the light, milky beige tone of coffee with plenty of milk. Warm and softly coloured, it offers 75% coverage for a subtle nude manicure.Build length or reinforce the natural nail using its medium-viscosity, thixotropic formula. The gel self-levels after application and balances medium hardness with flexibility in the finished structure. Medium hardness and flexibility Medium viscosity...
    • 21 Studio No.9 Toffee Builder Gel 50 ml pot with a Toffee colour swatch
    • 21 Studio No.9 Toffee Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.9 Toffee, shown with the product pot
    21 Studio No.9 Toffee Builder Gel 50 ml
    21 Studio No.9 Toffee Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.9 Toffee Builder Gel 50 mlToffee brings a warm caramel note to a nude manicure. The 75% coverage keeps the colour soft enough for a natural finish while giving it a distinct warm tone.Its flexible, medium-hard structure suits both natural nail overlays and extensions. During application, the thixotropic texture moves with the brush and then self-levels to help even out the surface. Medium...
    • 21 Studio No.10 Peach Builder Gel 50 ml pot with a Peach colour swatch
    • 21 Studio No.10 Peach Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.10 Peach, shown with the product pot
    • Manicure using 21 Studio No.10 Peach
    21 Studio No.10 Peach Builder Gel 50 ml
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    21 Studio No.10 Peach Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.10 Peach Builder Gel 50 mlPeach is a soft peach nude with a warm, fresh character. At 75% coverage, it adds a gentle tint that keeps the overall manicure light and natural-looking.The medium-viscosity gel is intended for reinforcement, building and extensions. It combines self-levelling with thixotropic behaviour, so the texture responds to brushwork while helping you create a smooth structure. Medium hardness and...
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    • 21 Studio No.11 Berry Builder Gel 50 ml pot with a Berry colour swatch
    • 21 Studio No.11 Berry Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.11 Berry, shown with the product pot
    21 Studio No.11 Berry Builder Gel 50 ml
    21 Studio No.11 Berry Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.11 Berry Builder Gel 50 mlBerry adds a deeper pink-purple colour to the 21 Studio palette. Choose this berry shade when you want the builder gel itself to provide a more pronounced colour finish.Medium hardness and flexibility support natural nail overlays as well as extensions. The thixotropic gel works readily with the brush, then self-levels to help smooth the surface of the nail....
    • 21 Studio No.12 Candy Builder Gel 50 ml pot with a Candy colour swatch
    • 21 Studio No.12 Candy Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.12 Candy, shown with the product pot
    21 Studio No.12 Candy Builder Gel 50 ml
    21 Studio No.12 Candy Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.12 Candy Builder Gel 50 mlCandy is a delicate light pink with 75-80% coverage. It works as a fresh, single-colour finish or as a background for fine nail art.The medium-viscosity formula offers a balance of hardness and flexibility for building, extending and reinforcing nails. Thixotropic behaviour assists placement, followed by self-levelling to refine the surface. Medium hardness and flexibility Medium viscosity and thixotropic...
    • 21 Studio No.13 Pink Builder Gel 50 ml pot with a Pink colour swatch
    • 21 Studio No.13 Pink Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.13 Pink, shown with the product pot
    21 Studio No.13 Pink Builder Gel 50 ml
    21 Studio No.13 Pink Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.13 Pink Builder Gel 50 mlPink gives a manicure a clear, classic pink character with 75-80% coverage. The shade has enough colour to wear on its own while remaining easy to pair with simple detailing.Use it for natural nail reinforcement or to build and extend the nail. Its medium-hard, flexible formula has a thixotropic consistency that responds to the brush and self-levels after...
    • 21 Studio No.14 Petal Builder Gel 50 ml pot with a Petal colour swatch
    • 21 Studio No.14 Petal Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.14 Petal, shown with the product pot
    21 Studio No.14 Petal Builder Gel 50 ml
    21 Studio No.14 Petal Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.14 Petal Builder Gel 50 mlPetal is a light, delicate shade inspired by flower petals. With 70% coverage, it suits soft manicures where a gentle colour effect is part of the design.Its medium-viscosity texture helps with building a smooth overlay or extension. The thixotropic formula becomes easier to spread under the brush, then self-levels, combining medium hardness with flexibility. Medium hardness and flexibility...
    • 21 Studio No.15 Blossom Builder Gel 50 ml pot with a Blossom colour swatch
    • 21 Studio No.15 Blossom Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.15 Blossom, shown with the product pot
    21 Studio No.15 Blossom Builder Gel 50 ml
    21 Studio No.15 Blossom Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.15 Blossom Builder Gel 50 mlBlossom offers a light powder-pink finish with 70% coverage. The soft floral tone works well for understated pink manicures and delicate, romantic nail designs.For overlays and extensions, the gel provides medium hardness together with flexibility. Its thixotropic texture follows brush movement, while self-levelling helps even out the product after placement. Medium hardness and flexibility Medium viscosity and thixotropic...
    • 21 Studio No.16 Powder Builder Gel 50 ml pot with a Powder colour swatch
    • 21 Studio No.16 Powder Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.16 Powder, shown with the product pot
    21 Studio No.16 Powder Builder Gel 50 ml
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    21 Studio No.16 Powder Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.16 Powder Builder Gel 50 mlPowder is one of the sheerer shades in 21 Studio, with 40% coverage. A subtle pink undertone gives this soft powder colour a light finish rather than an opaque block of colour.The medium-viscosity builder gel can reinforce natural nails or create extensions. It self-levels after brushwork and combines thixotropic handling with medium hardness and flexibility. Medium hardness and...
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    • 21 Studio No.17 Milk Builder Gel 50 ml pot with a Milk colour swatch
    • 21 Studio No.17 Milk Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.17 Milk, shown with the product pot
    21 Studio No.17 Milk Builder Gel 50 ml
    21 Studio No.17 Milk Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.17 Milk Builder Gel 50 mlMilk pairs a milky white colour with a subtle pink undertone. Its 50-60% coverage creates a semi-transparent finish for a fresh, minimal manicure.Reinforce the natural nail or build extra length with a medium-hard formula that retains flexibility. The gel responds to brush pressure and self-levels after application, helping you smooth the surface. Medium hardness and flexibility Medium viscosity...
    • 21 Studio No.18 Pearl Builder Gel 50 ml pot with a Pearl colour swatch
    • 21 Studio No.18 Pearl Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.18 Pearl, shown with the product pot
    21 Studio No.18 Pearl Builder Gel 50 ml
    21 Studio No.18 Pearl Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.18 Pearl Builder Gel 50 mlPearl is a clean, soft milky shade with 75% coverage. Its understated colour suits natural-looking manicures and simple designs where the shape and surface take centre stage.The medium-viscosity, thixotropic formula is suitable for reinforcement, building and extensions. It self-levels after placement and brings together medium hardness and flexibility for work on the natural nail. Medium hardness and flexibility...
    • 21 Studio No.19 Mocha Blink Builder Gel 50 ml pot with a Mocha Blink colour swatch
    • 21 Studio No.19 Mocha Blink Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.19 Mocha Blink, shown with the product pot
    21 Studio No.19 Mocha Blink Builder Gel 50 ml
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    21 Studio No.19 Mocha Blink Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.19 Mocha Blink Builder Gel 50 mlMocha Blink combines a milky coffee and caramel nude tone with subtle shimmering particles. At 75% coverage, the warm colour remains visible while the shimmer adds a gentle highlight.The builder gel works for natural nail overlays and extensions. Its medium-hard, flexible structure is paired with a thixotropic texture and self-levelling behaviour to help shape and smooth the...
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    • 21 Studio No.20 Rose Blink Builder Gel 50 ml pot with a Rose Blink colour swatch
    • 21 Studio No.20 Rose Blink Builder Gel 50 ml product pot
    • Manicure in 21 Studio No.20 Rose Blink, shown with the product pot
    21 Studio No.20 Rose Blink Builder Gel 50 ml
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    21 Studio No.20 Rose Blink Builder Gel 50 ml
    €29,99
    €29,99
    21 Studio No.20 Rose Blink Builder Gel 50 mlRose Blink places noticeable muted rose sparkle in a light pink base. The 50% coverage leaves the colour semi-transparent, allowing the sparkling particles to become the focus of the manicure.Its medium-viscosity formula supports reinforcement, building and extensions. Thixotropic handling helps you position the gel, then self-levelling assists with smoothing it into a medium-hard, flexible structure. Medium hardness...
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