Skip to content
Home Nail Care Essentials | UV Lamps, Files & Nail Art Keratin Nail Serum for Instant Gloss & Streng...
1/6 Similar
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
Keratin Nail Serum for Instant Gloss & Strength in 3 Days
-34%
In stockNail Care Buyer protection
wanelo Original

Keratin Nail Serum for Instant Gloss & Strength in 3 Days

$39.90$60.00
Save $20.10
or $9.97 × 4 with Wanelo Pay · 0%
1
Free delivery in 7–14 days
tracked shipping, worldwide
30-day returns
easy returns & buyer protection on every order
Secure checkout
SSL-encrypted payment
Sold & shipped by wanelo
Official store
Keratin Serum

Ultra-hard nails and immediate gloss in 3 days, no salon required

Your nails go from brittle, dull, and peeling to strong and glass-shiny — with a 5-minute brush-on routine you can do on your couch.

HOW IT WORKS

The keratin shield behind the 3-day gloss

Keratin technology builds an ultra-hard shield and brings immediate shine — not just a cosmetic top coat, but structural repair.

Close-up of frosted glass bottle with rose-gold cap and brush applicator, golden serum droplet
CORE FORMULA

Keratin shield technology hardens from the inside

The keratin-infused serum builds an ultra-hard shield on the nail rather than just coating it with temporary gloss. It penetrates the nail plate and reinforces the natural keratin matrix, so nails resist snapping and peeling from the inside out — not just on the surface.

Split image showing dull nails before and glossy white-tipped nails after product use
FAST RESULTS

Visible gloss in as little as 3 days

Continued use improves nail color and shine within a short, realistic timeframe. Packaging validates a 3‑day keratin timeline — not weeks of guesswork. By the third application, the mirror shows nails that look richer and catch light like glass.

Hand applying serum to nails over a cream backdrop, showing daily ritual ease
MULTI-FUNCTIONAL

One brush, every nail type covered

Formulated to suit all nail types, it addresses brittleness, hangnails, and dullness in a single step. No separate cuticle oil, no base coat, no multiple products. Just brush on a thin layer and let the keratin complex work overnight or pre-manicure.

Compact 12ML serum bottle held in hand, showing true travel-size scale
ON THE GO

A travel-size ritual that fits real routines

The compact 12ML glass bottle with built-in brush is small enough for a purse or toiletry bag. Whether it's a nightly ritual or a quick touch‑up before a flight, the serum earns its place without demanding a full bathroom counter.

REAL RESULTS

What women are noticing by day 3

4.8
9 reviews
6questions
C
Clara M., verified buyer
2nd purchase · Los Angeles
★★★★★

I get gel every two weeks, and my nails were paper-thin when the polish came off. After 3 nights with this, they don't bend backward anymore. Actually shiny for the first time in years.

@
@jess_in_pdx
Community review · Portland
★★★★★

New mom here. Salon trips are a distant memory. I brush this on after the baby goes down and in 3 days my nails actually look like I got them done. So easy.

D
Dana (Chicago)
Community review · Chicago
★★★★

I wash my hands 20+ times a day as a nurse. My cuticles were wrecked and hangnails constant. This helped a lot around the edges and made nails less prone to peeling. Only wish the bottle were bigger for how often I'm using it.

L
Leila F.
First purchase · Miami
★★★★★

Wedding prep secret weapon. Started using it two weeks before the big day and my nails looked healthier than they ever have, even under the French polish. Cannot recommend enough.

@
@sam_does_skincare
3rd purchase · Austin
★★★★★

Recovering nail-biter. Having them hard and glossy actually makes me not want to pick. The texture is smooth and not sticky, so I'm not tempted to mess with it.

R
Renée (Toronto)
Community review · Toronto
★★★★

Flight attendant, so I'm sanitizing constantly. This little bottle fits perfectly in my toiletry bag and tames the dry cuticles mid-flight. The brush is a bit tiny, took a few goes to get used to, but it works.

W
Whitney G.
Professional review · Seattle
★★★★★

I'm an esthetician and I now recommend this over generic cuticle oils. The keratin positioning is backed by visible change — my clients see a real difference when they use it between appointments.

M
Maggie (retired in Phoenix)
Verified buyer · Phoenix
★★★★★

Wore gel for decades. My natural nails were wrecked, yellowed, peeling. Six weeks of this and they finally look like they belong on a human hand again. Glossy and smooth, no more ridges.

T
Tess K.
Community review · Denver
★★★★★

Love the minimal packaging and the fact that it's just a simple serum, not another coat of clear polish. My nails look like they're glowing after a few days, not lacquered.

DAILY RITUAL

Five minutes a day, brushed on and done

1

Start with clean, bare nails

Remove any old polish and wash hands to ensure the nail plate is free of oils or lotions. The serum needs direct contact.

2

Twist off the cap and coat the brush evenly

The built-in brush picks up just the right amount of pale golden serum — no dripping, no pooling.

3

Sweep one thin layer across each nail

One light stroke per nail is enough. Cover the entire nail bed and gently cap the free edge.

4

Let it absorb for 5 minutes

The serum sets quickly without stickiness. No UV light needed. In about 5 minutes it's dry and you can go about your evening.

5

Repeat every night

Daily consistency is key. After 3 days, you'll notice the gloss and hardness. Continue for ongoing improvement.

AT A GLANCE

Proof in the numbers

VOLUME
12
ML serum
RESULTS
3
Day keratin shield
ROUTINE
5
minute daily application
SIZE
0.41
FL.OZ volume
THE DIFFERENCE

Not another clear coat in disguise

EellHope Keratin SerumBESTClear polish 'strengthener'
Active ingredient✓ Keratin complex✗ None
Strengthens nail structure✓ Hardens from within✗ Surface coating only
Prevents hangnails✓ Nourishes cuticles✗ No effect
Immediate gloss✓ Glassy, natural shine✓ Temporary lacquer shine
Works on all nail types✓ Suitable for every type✓ Works on most
Daily use safe✓ Non-damaging✓ Can be used daily
YOUR RESULTS

What changes, day by day

First Use

Immediate gloss appears

Your nails look shinier right after the first application, with the serum sinking in fast and leaving a light, glass‑like finish.

Day 3

Ultra-hard shield builds

Per packaging claims, three days of use marks the point where nails feel noticeably harder and more resistant to snagging.

Week 2

Hangnails start easing

Daily brushing around cuticles helps address dryness and hangnail‑prone edges with continued application.

30 Days

Color and tone improve

With continued use, packaging claims nail color keeps improving and nails look increasingly shiny and healthy over time.

IN THE BOX

What arrives in your frosted glass bottle

Nail strengthener serum ×112ML/0.41FL.OZ pale golden amber formula in frosted glass
Box packaging ×1Minimalist, clean box that feels like a skincare investment
Brush applicator ×1Built‑in precision brush for thin, even application
THE SHIFT

From hiding hands to showing them off

A story of brittle nails that finally get the repair they deserve.

Abstract close-up of a peeling, brittle nail surface indicating damage
CHAPTER 01

The manicure that hides the damage

You get gel after gel, acrylic after acrylic. Underneath the polish, your natural nails grow thinner. They snag on sweaters. You wince. You tuck your hands away because bare nails look weak and dull, never finished — even right after a fresh salon visit.

Woman's hand with strong, glossy nails next to product on cream background
CHAPTER 02

What happens if nothing changes

Untreated brittleness compounds. With every gel removal, the nail plate gets thinner. Cuticles rip. Hangnails multiply. You start to feel embarrassed about bare hands, and the cycle of hiding under polish only deepens the damage. Weak nails don't heal themselves — they get worse.

EellHope keratin serum bottle and box, signaling a premium repair solution
CHAPTER 03

A serum built to rebuild, not just shine

A frosted glass bottle with a rose-gold cap lands on your vanity. Inside: a keratin‑infused essence that doesn't just coat — it penetrates. The brush applicator glides a thin, clear layer across each nail in seconds. No salon chair. No harsh removers. Just a tiny daily commitment.

Before and after nails: dull, pale nails transformed to glossy, white-tipped, healthy nails
CHAPTER 04

Day 3 and the mirror doesn't lie

By day 3, you catch a glimpse of your bare nails and they're glossy. Not just shiny — harder. The white tips are bright, the nail bed even-toned. With continued use, the color keeps improving. Hangnails calm down. Your hands stay out of your pockets.

BACKED BY SCIENCE

Published research on keratin and nail health

Biology of nail health and factors affecting nail growth
Brittle nail syndrome: A pathogenesis and treatment review

About this item

Your nails finally look salon‑healthy again — glossy, strong, and even‑toned, no gel overlay needed. Just a clear, keratin‑powered serum that fits into your nightly routine and shows results in as lit

Keratin-infused nail strengthener delivers immediate gloss and ultra-hard shield in just 3 days

  • Brittle, breaking nails
  • Dull, lackluster nail appearance
  • Hangnails and dry cuticles
  • Weak nails across all types
QUESTIONS ANSWERED

Everything before you press add to cart

How long does the 12ML bottle last with daily use?
A single thin coat each night means the bottle lasts approximately 4–6 weeks for a full set of fingernails. The value per application is excellent compared to a single salon visit or a bottle of polish that thickens after a few weeks.
Will this work on nails already damaged by years of gel or acrylic?
Yes. The formula is designed for nails that need structural repair, not just moisture. Keratin targets the nail plate directly; regular use helps rebuild the hardness that gel and acrylic removals break down. Many women with long-term damage see visible improvement by day 3.
Is this a nail oil, a polish, or something else — how is it different?
It's a keratin-infused serum, not an oil or a polish. Oils moisturize but don't strengthen the nail plate. Clear polish coats the surface without nourishing. This serum penetrates to harden and add gloss simultaneously, without forming a peelly or thick layer you have to remove.
Can I wear regular polish over it, or use it as a base coat?
Yes. Apply the serum to clean, bare nails and let it fully absorb (about 5 minutes). Then apply your favorite polish or gel base as usual. Many users treat it as a pre‑manicure strengthening step.
Is it safe to use every day, including around cuticles?
Absolutely. The formula is safe for daily use and beneficial for cuticles. Many long‑term users report a reduction in hangnails and dryness around the nail bed with consistent application.
Suitable for toenails too, or hands only?
Perfect for both. The brush applicator makes it just as easy to sweep over toenails, and the keratin hardening can help address brittleness that often affects feet.
Start Tonight

Give your nails 5 minutes and 3 days

Add to cart
EXPLORE

Explore more

You might also like

$39.90$60.00