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A bottle of LONDONTOWN Nail Probiotic Instant Boost, featuring a black cap and light peach-colored liquid inside, designed as a transformative nail mask perfect for strengthening thin or weak nails.
A hand applies clear nail polish, with text promoting LONDONTOWN Nail Probiotic Instant Boost—a nail mask that improves the look of weak nails in just three minutes.
A hand with neatly manicured nails holds a bottle of LONDONTOWN Nail Probiotic Instant Boost. Text highlights: fast results, strengthens weak nails, helps brittle nails recover, and supports the nail’s natural microbiome.
A bottle of LONDONTOWN Nail Probiotic Instant Boost, ideal for thin nails, sits on a surface with halved peaches in liquid.
LONDONTOWN Nail Probiotic Instant Boost features a Probiotic Complex for the microbiome, AHAs & PHAs for moisture, and Vitamin B5 (Panthenol) for deep hydration—perfect as a nail mask to support weak or thin nails.
A close-up of a hand with natural nails highlights LONDONTOWN’s Nail Probiotic Instant Boost—an ultra-nourishing nail mask for fast absorption, instant results, and stronger support for weak nails.
A close-up of fingernails in two panels: "before" shows thin, weak nails, while "after" reveals smoother, glossier nails after using LONDONTOWN Nail Probiotic Instant Boost.

Nail Probiotic Instant Boost

Hydration reset for dry, brittle nails

12 ml / .4 fl oz

4.7
Rated 4.7 out of 5 stars
266
Regular price$22.00
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Meet your nails’ ultimate hydration reset–this supercharged serum visibly transforms dry cuticles and brittle nails in as little as 3 minutes. The speed is in the ultra-light, silky-smooth formula: our water-based formulation absorbs quickly to deliver AHAs, PHAs, plus nourishing emollients precisely where a boost is needed. Hydration is immediately replenished as a powerhouse probiotic complex reinforces nails’ natural microbiome to support overall nail health and strength over time. Use as a pre-manicure pick-me-up to improve the look of nails and cuticles within minutes, or leave on overnight as an intensive treatment.

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  • Delivers visible results in as little as 3 minutes for mani-pedi prep, or can be left on overnight for an intensive,hydrating treatment
  • Resurfacing AHAs and PHAs rejuvenate while allowing for maximum moisturization
  • Conditioning emollients immediately replenish essential hydration
  • Powerhouse probiotics help boost natural microbiome—which is crucial in defending against environmental damage and can support overall nail health over time
  • Luxe and lightweight, fast-absorbing formula

All Nail Types

THIS PRODUCT IS

  • 21+ Free
  • Certified Vegan
  • Cruelty Free
  • Gluten Free
  • Talc Free
  • Paraben Free
  • Phthalate Free 

KEY INGREDIENTS

  • Probiotic Complex reinforces, re-balances, and supports nails’ natural microbiome to help better defend against environmental stressors
  • Alpha Hydroxy Acids (AHAs) rejuvenate nails and cuticles for optimal moisturization
  • Polyhydroxy Acids (PHAs) catalyze and boost AHA benefits for supercharged results
  • Vitamin B5 (Panthenol) helps strengthen and protect nails
  • Sweet Almond Oil softens and conditions
  • Glycerin helps preserve nails’ moisture balance

INGREDIENTS

Water (Aqua), Glycerin, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Propylene Glycol, Trisodium Phosphate, Panthenol, Lactobacillus Ferment, Phenoxyethanol, Carbomer, Peg-40 Hydrogenated Castor Oil, Laureth-4, Benzophenone-4, Butylene Glycol, Fragrance (Parfum), Ethylhexylglycerin, Vaccinium Myrtillus(Bilberry) Fruit Extract, 1,2-Hexanediol, Saccharum Officinarum (Sugar Cane) Extract, Gluconolactone, Maltobionic Acid, Citrus Limon (Lemon) Fruit Extract, Citrus Aurantium Dulcis (Orange) Fruit Extract, Lactobacillus/Soybean Ferment Extract, Tocopherol, Acer Saccharum (Sugar Maple) Extract, CI 15510, CI 19140

As a pre-mani treatment: Apply directly to nails and cuticles after removing polish. Massage in and leave on for 3 minutes. Wash and dry nails thoroughly before applying polish.

As a nail treatment: Apply to bare nails and cuticles. Massage in and do not rinse. Use up to 3 times per week. For best results, follow with your favorite Londontown nail cream.

Regular price $22.00
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