Stem-cell nail science

Stronger nails in 7 days.
Backed by stem-cells.

The Stem Cells Nail Growth Pen feeds brittle, peeling, post-gel nails at the root — so they grow longer, harder and healthier without acrylics or supplements.

★★★★★ 30,000+ glow-ups · loved worldwide
  • Visible in 7 days
  • Vegan & cruelty-free
  • 90-day guarantee
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Echinacea stem-cell complex
30,000+ GLOW-UPSVISIBLE IN 7 DAYSSTEM-CELL POWEREDVEGAN & CRUELTY-FREEPARABEN-FREE90-DAY MONEY-BACKWORLDWIDE SHIPPING30,000+ GLOW-UPSVISIBLE IN 7 DAYSSTEM-CELL POWEREDVEGAN & CRUELTY-FREEPARABEN-FREE90-DAY MONEY-BACKWORLDWIDE SHIPPING

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Why we built NAILZ

Healthy nails shouldn’t require acrylics, gels, or giving up.

Most “nail growth” products just coat the surface. We went deeper. NAILZ pairs plant-derived stem-cells with biotin and botanical oils in a precision pen that delivers actives straight to the matrix — where real nail growth begins. No damage. No waiting rooms. Just nails that finally grow on their own.

The science

Three actives. One root cause.

Echinacea stem-cells

Plant stem-cell extract wakes up the nail matrix and supports faster, denser keratin production at the source.

Biotin & B-vitamins

Clinically loved for nail strength — reinforces the keratin structure so nails stop peeling and snapping.

Botanical oils

Jojoba, castor & argan oils flood the cuticle with moisture for flexible, glassy, hydrated nails.

1
Click & brush

Twist the pen and paint the serum onto each nail & cuticle, twice daily.

2
Absorbs in seconds

The lightweight formula sinks in fast — no residue, no wait, layer under polish.

3
Grow at the root

Actives reach the matrix to drive stronger, longer regrowth you can measure.

Real results

From peeling & brittle to strong & long

Before
nailz-2-781540e2After
Maria, 31Day 1 vs Day 30
Before
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Isla, 27Day 1 vs Day 45
Before
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Aurora, 39Day 1 vs Day 60
The pen

One pen. Replaces your whole nail shelf.

Strengthener, growth serum and cuticle oil in a single click-pen — precise, mess-free, and travel-ready.

  • Visible growth in 7 days — or 100% money-back
  • Repairs gel & acrylic damage at the root
  • Vegan, cruelty-free & safe under polish
  • Absorbs in seconds, layers under any mani
Shop the pen
97%noticed a real improvement in nail health*
87%felt more confident & happier*
30,000+glow-ups & counting

*From an independent consumer study.

Real Results, Real Customers

3,000+ verified reviews ★ 4.3

Justin E.
★★★★★

“My nails are now stronger, healthier, and far less prone to breakage. This pen has truly made a difference.”

Justin E.· Verified buyer

Maria D.
★★★★★

“Years of polish and harsh removers left my nails weak and brittle. This pen worked wonders.”

Maria D.· Verified buyer

Eleanor P.
★★★★★

“Finally starting to look healthy again — a noticeable improvement in strength and texture!”

Eleanor P.· Verified buyer

Isla P.
★★★★★

“I never thought I'd have strong, healthy nails again, but this pen has made it possible.”

Isla P.· Verified buyer

Katty H.
★★★★★

“Now my nails grow without breaking, and they feel incredibly healthy.”

Katty H.· Verified buyer

Aliya T.
★★★★★

“As a long-time nail biter my nails were short and uneven. They've grown back properly, with fewer ingrown nails.”

Aliya T.· Verified buyer

Aurora C.
★★★★★

“The results were quick, and my nails now have a healthy, natural look.”

Aurora C.· Verified buyer

Janeth B.
★★★★★

“My nails used to be dry and brittle, but this pen has transformed them. Packed with nourishing ingredients!”

Janeth B.· Verified buyer

Sally N.
★★★★★

“I always had trouble growing my nails because they'd break before getting length — this pen changed that.”

Sally N.· Verified buyer

Loved by 30,000+

Don’t take our word for it

★★★★★

“After years of gel my nails were paper-thin. Three weeks with the pen and they're actually hard again.”

Maria D. · Verified buyer
★★★★★

“I've struggled with nails that break easily — after a few weeks they're stronger, healthier and far less prone to breakage.”

Justin E. · Verified buyer
★★★★★

“After years of acrylics my nails were thin and damaged. This pen repaired them — they finally look healthy again.”

Eleanor P. · Verified buyer
90-day guarantee
90-day guaranteeResults or money back
Worldwide shipping
Worldwide shippingTracked, 6–10 days
Secure payment
Secure paymentEncrypted checkout
24/7 support
24/7 supportReal humans

Love your nails in 90 days, or your money back.

Use NAILZ daily for 90 days. If you don’t see stronger, longer, healthier nails, email us for a full refund. Love it or return it — that’s our promise.

Start risk-free