LONDONTOWN Duplex Base & Top Coat — 2-in-1 Nail Primer & Sealant, 12mL

Meet LONDONTOWN Duplex Base & Top Coat, a 12mL multipurpose formula designed to streamline your at-home manicure and pedicure routine. Used as a base coat, it preps and primes nails for polish. When applied as a top coat, it seals color to help resist chips and fading. Nitrocellulose reinforces the nail bed while allowing lakur to shine through with a flexible, breathable high-shine film.

Why this 2-in-1 coat can simplify your routine

By combining base and top coat functions in one bottle, this product is built for speed, simplicity, and durability. Its breakthrough technology can be activated by light, helping the primer grip color for longer wear, while the finish dries to a smooth, glassy surface that moves with your nails. The result is a lightweight, gel-like foundation that supports color and keeps a resilient, glossy look from cuticle to tip.

• Fast-drying formula designed to help manicures last
• Light-activated technology strengthens color adhesion for longer wear
• Gel-like foundation that grips lakur for up to two weeks
• Breathable, flexible high-shine film that feels comfortable
• Vegan, gluten-free, paraben-free, cruelty-free

How to use for best results

Choose the mode that fits your look. As a base coat, apply one thin layer to clean nails, then follow with lakur polish and your chosen kur top coat. In top-coat mode, apply after color to seal and add lasting shine. For extra longevity, pair with Gel Genius Top Coat.

• Base coat mode: clean nails → thin base coat → lakur → kur top coat
• Top coat mode: color → thin top coat to seal and shine
• Pro tip: allow each layer to dry for even, durable results

Who is it for

Ideal for busy routines, anyone wanting a simpler nail kit, and those who prefer vegan and cruelty-free options. It supports a glossy, long-lasting look across manicures and pedicures.

• Saves time by reducing products in your kit
• Promotes color longevity and a high shine
• Compatible with lakur shades and top coats

Care and storage: keep the bottle in a cool, dry place away from direct sunlight. Secure the cap after use to preserve the fast-drying finish. Designed to work with a range of lakur shades for a cohesive manicure experience.