LONDONTOWN Nail Hardener & Base Coat 2-in-1 Biotin Nail Strengthener, 0.40 fl oz — Anti-Breakage Lightweight Finish

LONDONTOWN Nail Hardener & Base Coat is a dual-action treatment that strengthens fragile nails while creating a durable primer layer for polish.

This lightweight 2-in-1 formula combines biotin, antioxidants, vitamins and the brand’s Florium Complex to reinforce nail fibers and improve polish adhesion. Designed for people with thin, splitting or easily broken nails, it delivers a protective film that reduces chipping and supports healthier regrowth without feeling heavy or sticky.

How does this product make weak nails stronger?

The formula uses biotin to help restore nail resilience and a nitrocellulose matrix to form a protective shell that minimizes bending and splitting. Repeated application builds reinforcement across the nail plate, making nails less prone to immediate damage.

• Biotin-infused blend to support nail structure
• Nitrocellulose barrier that reduces breaks and splits
• Florium Complex supplies nourishing antioxidants and vitamins
• Thin, non-gummy finish so nails stay flexible yet fortified

Will this act as a reliable base coat under nail polish?

Yes — the product doubles as a primer that improves polish grip and longevity. Its adhesion-promoting ingredients create a smooth surface for color, helping reduce premature chips and polish lift.

• Primes nail surface for better polish application
• Improves wear time and reduces chipping
• Compatible with most lacquers and gel-like polishes

How should I apply it for best results?

Apply one thin coat to clean, dry nails as a treatment or as a base under color. For a strengthening regimen, use regularly—every other day or as directed—until nails show consistent improvement, then maintain with weekly coats.

• Start with clean, oil-free nails
• Brush a thin even layer across each nail and allow to dry
• Use as base coat under polish or alone as a strengthening treatment
• Reapply consistently for cumulative benefits

What results can I expect and when?

Because nails grow slowly, you may notice reduced peeling and fewer breaks within a few weeks, with stronger regrowth over months. The protective film helps immediate wear while the nourishing ingredients support longer-term improvement.

• Immediate: smoother surface and better polish adhesion
• Short term (weeks): fewer chips and less splitting
• Long term (months): visibly stronger, healthier nail growth

Who is this for: This LONDONTOWN Nail Hardener & Base Coat is ideal for anyone with brittle, peeling or easily damaged nails who wants a single-step product that both fortifies and primes. It suits users who wear polish regularly and need improved wear time, as well as those looking to rebuild nail strength while maintaining a salon-ready finish.

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