CND Nail Strengthener RXx, 0.5 fl oz – Breathable Vitamin-Enriched Base Coat for Thicker Nails

CND Strengthener RXx is a nourishing nail coating designed to thicken, smooth and protect thin or brittle nails while conditioning with vitamins and essential fatty acids.

Whether you want to repair fragile nails or add a resilient base to your manicure routine, CND Strengthener RXx delivers a breathable, fast-absorbing layer that helps reduce chipping, splitting and peeling. The formula includes Omega-6 and Omega-9 plus Vitamins A, B and E to condition the nail surface without harsh solvents or common irritants.

How does CND Strengthener RXx improve nail durability?

The strengthener builds a protective coating that increases nail thickness and surface smoothness, making nails less prone to mechanical damage. It’s formulated to resist everyday wear like chipping, splitting and cracking, while remaining permeable to water and oxygen so nails stay flexible.

• Creates a thicker, smoother nail plate for improved toughness.
• Breathable formula allows natural hydration and flexibility.
• Targets common problems: chipping, splitting, peeling and cracking.
• Fast-drying finish that layers easily under polish.

What are the key conditioning ingredients and why they matter?

CND Strengthener RXx combines essential fatty acids and vitamins to help nourish and restore the nail surface. These ingredients support a healthier-looking nail by softening roughness and promoting smoother growth without heavy residues.

• Omega-6 and Omega-9 help condition and maintain nail flexibility.
• Vitamins A, B and E support surface repair and a polished appearance.
• Lightweight, fast-absorbing base that won’t feel greasy.
• Free from toluene, DBP, camphor and other common irritants.

How do you use this strengthener in a nail care routine?

Apply CND Strengthener RXx to clean, dry nails as a base coat or on its own as a clear treatment. For best results, use regularly—apply two coats daily or as recommended, allowing each layer to dry quickly between applications.

• Start with clean, oil-free nails; file gently if needed.
• Apply one thin coat, allow to dry, then add a second coat for extra thickness.
• Use as a base under polish or as a standalone protective finish.
• Consistent use restores resilience over weeks rather than days.

Is this strengthener safe for sensitive users and free of harsh additives?

CND Strengthener RXx is formulated without many commonly avoided ingredients, making it a suitable option for those seeking gentler nail care. The product avoids solvents and additives like toluene, DBP, camphor, parabens and gluten, while remaining free of animal-derived ingredients.

• Formulated without toluene, DBP, camphor, xylene and TPP.
• No paraben preservatives, MIT, ethyl tosylamide or animal ingredients.
• Breathable and water-permeable—designed for everyday wear.
• Fast-absorbing finish reduces downtime between manicures.

Who this product is for: CND Strengthener RXx is ideal for anyone with thin, splitting or brittle nails who wants a conditioning, protective base that works under polish or alone. It suits salon professionals and at-home users who prefer a lightweight, fast-drying treatment free from many common irritants, and for people looking to strengthen nails without sacrificing flexibility or breathability.

Ingredients

INGREDIENTS: Butyl Acetate, Ethyl Acetate, Nitrocellulose, Acetyl Tributyl Citrate, Isopropyl Alcohol, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Trimethylpentyl/Methoxy PEG-10 Propyl Polysilsesquioxane, Caprylic/Capric Triglyceride, Stearalkonium Bentonite, Apium Graveolens (Celery) Seed Extract, Benzophenone-1, Camellia Japonica Seed Oil, Diacetone Alcohol, Propylene Carbonate, Silica, Limonene. B03492