The butter LONDON Prep & Set Duo is a two-piece nail care set designed to create the perfect canvas and seal in shine for a salon-quality manicure. This duo combines a priming basecoat with a UV topcoat to deliver smooth application, vibrant color, and long-lasting wear.
Key benefits
- Nail Foundation Priming Basecoat smoothes and fills ridges for a flawless base, helping color go on evenly and last longer.
- Nail health support promotes stronger, healthier-looking nails through conditioning and barrier properties.
- Prevents nail staining and discoloration by acting as a shield between the natural nail and the polish.
- Hardwear Shine UV Topcoat provides a quick-drying, high-gloss finish that resists chips and smudges for extended wear.
- Stay-true color ensures pigment remains vibrant with a durable, glossy shine from the topcoat.
Ingredients and what they mean for you
- Hardwear UV Shine Topcoat ingredients: Ethyl Acetate, Butyl Acetate, Cellulose Acetate Butyrate, Isopropyl Alcohol, Acetyl Tributyl Citrate, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acrylates Copolymer, Benzophenone-3, Trimethylpentanediyl Dibenzoate, CI 60725 (Violet 2).
- Nail Foundation Priming Base Coat ingredients: Butyl Acetate, Ethyl Acetate, Nitrocellulose, Acetyl Tributyl Citrate, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Isopropyl Alcohol, Silica, Styrene/Acrylates Copolymer, Stearalkonium Bentonite, N-Butyl Alcohol, Benzophenone-1, Diacetone Alcohol, Trimethylpentanediyl Dibenzoate, Tocopheryl Acetate, Ascorbyl Palmitate, Calcium Pantothenate, Equisetum Hiemale Extract, Hydrolyzed Silk, Glycerin, Polyethylene, Phosphoric Acid, CI 77891 (Titanium Dioxide), CI 77499 (Iron Oxides), CI 19140 (Yellow 5 Lake), CI 15850 (Red 6 Lake).
- Explanation: The priming basecoat smooths and fills ridges to create a uniform surface for color, while the topcoat locks in pigment with a high-gloss finish and helps resist chips.
Usage and suitability
Usage: Apply one coat of Nail Foundation Priming Basecoat to clean, dry nails and let it dry completely. Finish with one coat of Hardwear Shine UV Topcoat to seal, protect, and add a glossy, long-lasting shine. This duo is ideal for customers seeking a salon-quality manicure with improved wear and a vibrant finish.
Safety and storage: As with all cosmetic products, perform a patch test before first use. Keep out of reach of children. Store in a cool, dry place away from heat sources.
Designed for nail care enthusiasts who want a reliable base and top layer to extend wear and enhance shine, this set supports a smoother base and a vibrant, chip-resistant finish.
Incorporating both components provides a complete routine: the basecoat creates the proper surface, and the topcoat delivers lasting pigment and luster.
Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always read and follow the product label. Consult a healthcare professional if you have any health concerns.









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