ROUNI NAIL R21 Black Diamond Crystal Top Coat | High-Shine, Scratch-Resistant Gel Finish

Achieve a flawless, long-lasting manicure with the ROUNI R21 Black Diamond Crystal Top Coat. As a standout product in the professional "Little Colorful Bottle" Functional Gel Series, this top coat is expertly formulated to deliver a brilliant, durable finish that seals in your color and protects your nail art with unparalleled strength and shine.

Key Benefits

Superior Scratch Resistance:** Engineered with strong wear resistance, this top coat shields your manicure from daily scuffs, scratches, and chips, keeping your nails looking perfect for longer.

True-to-Tone Brilliance:** The advanced, fluorescent-free formula ensures that the original color of your gel polish remains pure and vibrant. It enhances the true shade without any yellowing or distortion.

Lasting Crystal Shine:** Lock in a stunning, crystal-like gloss that remains stable and radiant. This top coat protects the luster of your color gel, ensuring a high-impact shine that won't fade.

Professional-Grade Formula:** Designed for nail artists and enthusiasts who demand perfection, this gel provides a smooth, self-leveling application for a professional, salon-quality result every time.

Key Specs

Product Name:** R21 Black Diamond Crystal Top Coat

Series:** ROUNI Functional Gel

Required Lamp:** UV/LED Lamp

Curing Time:** 120 seconds

How to Use

This product is a professional gel top coat and is **not** an air-dry nail polish. It requires a UV/LED lamp to cure properly.

1. After prepping your nails, apply a thin layer of gel base coat and cure under a UV/LED lamp.

2. Apply your desired color gel polish and cure. Apply a second coat if needed, curing after each layer.

3. Complete your manicure by applying a thin, even layer of the R21 Black Diamond Crystal Top Coat over the color gel or nail art.

4. Cure under a UV/LED lamp for 120 seconds to achieve a hard, glossy finish.

Care & Safety

Store the bottle upright in a cool, dark place, away from direct sunlight and heat.

Keep the bottle away from your UV/LED lamp when in use to prevent the gel from curing inside.

For external use only. In case of any irritation or allergic reaction, discontinue use immediately and consult a physician.

Notes

"More detailed, more professional, more durable."