a powerhouse nail and cuticle serum for ultimate repair + recovery
We guarantee that your Peptide Serum Concentrate is filled to the intended 10 mL — and even a little more! The extra room at the top helps the dropper dispense properly and prevents pressure build-up, so no product is lost to leaking.
Pull the cap straight up, tilt the bottle, and aim the pointed tip at your cuticle. Gently press the soft base on the bottom of the bottle to release one drop per nail, then massage in.
A supercharged dose of cuticle care proven to target dryness, brittleness, and damage.
Formulated like a potent vitamin shot with 12% active ingredients—our highest concentration ever—this lightweight gel-serum delivers 360° support that helps strengthen, moisturize, and renew in one drop. Use for total nail rejuvenation and repair: it’s cooling on contact to soothe stressed cuticles, then quickly absorbs to fortify nails from the base and encourage healthier regrowth.
10 ml / 0.34 fl oz
Aqua (Water), Glycerin, Propylene Glycol, Trisodium Phosphate, Panthenol, Aloe Barbadensis Leaf Juice, Hibiscus Sabdariffa Flower Extract, Vaccinium Macrocarpon Fruit Extract, Carbomer, PEG-40 Hydrogenated Castor Oil, Parfum, Ethylhexylglycerin, Alcohol, Tris(Tetramethylhydroxypiperidinol) Citrate, Caprylyl Glycol, 1,2-Hexanediol, Citric Acid, Potassium Sorbate, Sodium Benzoate, Tocopherol, Phenoxyethanol, CI 17200, CI 14700
THIS PRODUCT IS:
If nails are polished, apply to cuticles only. For best results, use daily or as an intensive treatment post-manicure.
Peptides are short chains of amino acids that help support the condition of the nail and surrounding cuticle. Peptide Serum Concentrate features Cranberry Peptides, which help strengthen weak, damaged nails while supporting healthier-looking cuticles. Combined with hydrating ingredients like Aloe, Glycerin, and D-Panthenol, the formula helps improve the overall appearance and resilience of nails over time.
Together, these ingredients help:
- Support stronger-looking nails
- Reduce the appearance of brittleness
- Improve hydration
- Soothe stressed cuticles
- Promote healthier-looking nail growth








| FEATURED | |||
Peptide Serum Concentrate | Get Strong Nail Hardener | Luxe Length Nail Gloss | Sheer Strength Nail Blush |
DRY + BRITTLE Hydrate + Repair | WEAK + PEELING Strengthen + Protect | BREAKAGE-PRONE Support Length | DULL + DAMAGED-LOOKING Treat + Perfect |
| BEST FOR Dry, brittle nails | BEST FOR Weak, peeling nails | BEST FOR Breakage-prone nails | BEST FOR Dull, damaged-looking nails |
| FORMULA Water-based gel serum | FORMULA Nail hardener | FORMULA Nail treatment | FORMULA Treatment + color |
| FINISH Invisible | FINISH Clear | FINISH Glossy | FINISH Sheer tint |
| PRIMARY GOAL Hydrate + support stronger-looking nails | PRIMARY GOAL Strengthen + protect | PRIMARY GOAL Support length | PRIMARY GOAL Treat + perfect |
| SHOP PEPTIDE | SHOP GET STRONG | SHOP LUXE LENGTH | SHOP SHEER STRENGTH |

Reviewed by LONDONTOWN Experts
Hope Auerbach
PRODUCT DEVELOPMENT LEAD
M.S. Cosmetic Science•B.S. Biochemistry
Verified LONDONTOWN Expert
Created with expertise in formulation, ingredients, and cosmetic science.
My nails and cuticles are definitely better since I’ve been using this product. It is something I now use religiously.
One nail began splitting vertically. That never happened before. Try as I might, I could not stop the vertical split. I began applying Londontown Peptide Serum Concentrate. Instructions said to apply every other day, but I applied it every night. It turns out it was the super food my nails needed. Finally! It took approximately a month (plus), but my nail is healed. The vertical crack has evened out and is growing strong. Ladies and gentlemen...do not sit on the fence for this product. What's good for your skin is good for your nails. Oh, and I tossed all other nail polishes and nail brands and am exclusive to Londontown. I stock up and have now reverted to a routine nail care of applying the Peptide Serum Concentrate every other night. It's a part of my nail routine that has proven its worth to me.
Only been using it for a few weeks but so far, the results are very promising...
I like this product and have seen visible improvement in cuticles and nail beds.
I have definitely noticed a difference