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Summary
A high-performance base coat nail polish designed to strengthen and repair weak, brittle nails. This nail strengthener doubles as a nail strengthening base coat and targeted nail treatment with an 85% bio-based formula that supports long-term nail care.
Features
- Base coat nail polish for weak and brittle nails
- Nail strengthener from the first application
- Nail strengthening base coat that helps reduce breakage
- Ideal nail prep step before color or as a treatment alone
- 84% bio-based treatment formula
- Can be worn alone or under color
- Vegan & cruelty-free
Key Ingredients
- AHAs: Promote natural nail regrowth and stimulate cell renewal
- PHAs: Help gently strengthen and improve nail texture
- Silicon: Hardens and visibly strengthens nails over time
Research Results
- Proven results*
- 100% observed harder nails
- 97% observed healthier nails
- 93% noticed improved nail quality
- Clinical test conducted on 21 women after 3 weeks of use*
Item 77003014
How to use the Nail Hardener Base Coat|
- Apply the Nail Hardener Base Coat on bare nails as a treatment or before applying Green Manucurist polish or classic nail polish.
- As a restorative nail care treatment, apply twice a week for long-lasting stronger nails.
- For a complete nail care routine, apply a drop of Green Oil or Complete Serum daily.
Ethyl Acetate, Butyl Acetate, Nitrocellulose, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Alcohol, Glycolic Acid, Aqua (Water), Etocrylene, Gluconolactone, Isopropyl Alcohol, Dimethyl O X Obenzo Dio X Asilane, Ci 60725 (Violet 2)
Shipping Restrictions : This item cannot be shipped via air.
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Most Helpful Positive Review
Gorgeous polish. Took the test,
Gorgeous polish. Took the test, and was given the rigid nail kit. I bought it and it's exactly what I've been looking for. The perfect color and formula for my brittle uneven dry nails. The polish makes my nails feel thick and solid and lasts with no chips for over a week. I play with pottery, I am ...
Most Helpful Critical Review
Bad bottle…?
This product was so weird. I ordered it on the advice of Ulta AI, so I figured it would work well to strengthen my nails. My nails peel at the edges, and are pretty weak. I followed the directions for the product, and long after it should have dried on my nails, their surfaces had a "gummy" feeli...
84 results
Very good base.
Reviewed at
Very good base.
It Works
Reviewed at
I used this as a base coat and when I didn't have time to do the color, this kept my nails from breaking for a few days.
All of manicurist's products are
Reviewed at
All of manicurist's products are excellent! I've used most of their products and can see my nails improve and look great!
Does what it says, I've
Reviewed at
Does what it says, I've used so many different products on my gel damaged nails but only this has worked. Brilliant.
I love it!!
I haven't been using it for long yet, but after first application, I'm impressed! It definitely looks and feels like it's doing something, which I can't say for some base coats. It also seems to smooth the nail. I think it helped to make my nails look juicy and plump.