LONDONTOWN

LONDONTOWN Nail Hardener & Base Coat 0.40 fl oz — Biotin-Infused 2-in-1 Strengthening Treatment, Anti-Breakage

High-performance beauty made for confident daily results

$29.03

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Why customers choose Origin Beauty

LONDONTOWN Nail Hardener & Base Coat is a 2-in-1 nail treatment that functions as a strengthening polish and a primer to reduce breakage and improve polish wear.

Engineered to reinforce naturally weak or brittle nails, this compact 0.40 fl oz bottle combines fortifying ingredients with a gripping base formula so your color stays put longer. The Biotin-enhanced formula works alongside the proprietary Florium Complex and protective film-formers to nourish and shield nails without adding heavy weight or an opaque finish. It slips easily into a weekly routine whether you wear polish every day or want a resilient clear coat between manicures.

How does this product strengthen nails without feeling thick?

The formula balances fortifying actives and lightweight film formers to build resilience while keeping a natural look. Nitrocellulose creates a thin protective layer that guards against chips, while Biotin supports surface strength without gummy texture.

  • Biotin-infused polish for surface reinforcement
  • Nitrocellulose barrier helps prevent splitting and chipping
  • Clear, non-opaque finish suitable under color or alone

Will it help polish last longer and reduce chipping?

Yes — the base component is designed to improve adhesion so color grips the nail better, reducing lift and edge wear. Use it as the first layer under your regular nail lacquer to extend wear time and limit touch-ups.

  • Primes the nail plate for stronger polish adhesion
  • Reduces polish lifting and edge chipping
  • Compatible with most standard nail lacquers

How should I apply it for best results?

Start with clean, dry nails and a quick dehydrate if needed. Apply one even coat as a base before colored polish; for extra reinforcement, add a second thin layer as a clear strengthening coat between manicures.

  • Clean nails and remove oils or residue first
  • Apply one thin coat under color or two coats alone for added strength
  • Allow each layer to dry fully before applying the next

What key ingredients support nail health in this formula?

The treatment combines targeted vitamins and antioxidants in a formulation called Florium Complex alongside Biotin to support nail surface integrity. Protective polymers help shield nails from everyday stresses, while the light texture keeps nails flexible rather than brittle.

  • Biotin to support surface strength
  • Florium Complex delivers vitamins and antioxidants
  • Film-forming polymers provide chip resistance without stiffness

Who is this for: LONDONTOWN Nail Hardener & Base Coat is intended for anyone with nails that chip, split, or peel easily and for manicure lovers who want better polish longevity. It's a practical choice for those who prefer clear, strengthening treatments as a base or who need a lightweight, nourishing top-up between salon services. Ideal for frequent polish wearers and people seeking an easy, no-fuss way to support healthier-looking nails.

Ingredients

Ethyl Acetate, Butyl Acetate, Alcohol Denat., Nitrocellulose, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Isopropyl Alcohol, Trimethyl Pentanyl Diisobutyrate, Acetyl Tributyl Citrate, Sucrose Acetate Isobutyrate, Etocrylene, Brassica Campestris (Rapeseed) Seed Oil, Allium Sativum (Garlic) Bulb Extract, Biotin, Calcium Pantothenate, Oenothera Biennis (Evening Primrose) Flower Extract, Chamomilla Recutita (Chamomile) Flower Extract, Cucumis Sativus (Cucumber) Fruit Extract, Water, Dimethicone, Retinyl Palmitate (Vitamin A), Tocopheryl (Vitamin E) Acetate, Carthamus Tinctorius (Safflower) Seed Oil, CI 60725

FAQ

Q: Can I use this under gel polish?

A: Yes, it works as a base under regular lacquer; for gel systems follow your salon's prep and curing steps.

Q: How often should I apply it for best results?

A: Use one coat before color and reapply a clear coat every 5–7 days for ongoing reinforcement.