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💎 Harden your nails, boost your confidence, and never miss a beat.
Sally Hansen Diamond Strength® Nail Hardener and Nail Growth Serum duo delivers professional-strength nail care that visibly strengthens nails in 5 days, protects against breakage for up to 10 days, and smooths cuticles—all in a glossy, clear polish. Perfect for adults seeking healthier, longer nails with proven results and rave reviews.

| ASIN | B07JQB5FZD |
| Age Range Description | Adult |
| Best Sellers Rank | #177,849 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #215 in Nail Strengtheners |
| Brand | Sally Hansen |
| Brand Name | Sally Hansen |
| Color | Nailgrowth Miracle + Diamond Strength Hardener Bundle |
| Container Type | Bottle |
| Customer Reviews | 4.5 out of 5 stars 2,637 Reviews |
| Finish Types | Glossy |
| Global Trade Identification Number | 20074170463150 |
| Included Components | nail growth serum, nail hardener |
| Item Dimensions | 5.5 x 1.94 x 2.88 inches |
| Item Form | Serum |
| Item Weight | 2.24 ounces |
| Item dimensions L x W x H | 5.5 x 1.94 x 2.88 inches |
| Liquid Volume | 15 ml |
| Manufacturer | Coty Inc. |
| Manufacturer Part Number | KVR01-PPO31610 |
| Model Name | Hansen Diamond Strength Instant Nail Hardener and Nailgrowth Miracle Serum, Nail Kit, Pack of Two, High-Powdered Hardener, Ends Cracking, Splitting and Peeling Model Name Hansen Diamond Strength Instant Nail Hardener and Nailgrowth Miracle Serum, Nail Kit, Pack of Two, High-Powdered Hardener, Ends Cracking, Splitting and Peeling See more |
| Model Number | KVR01-PPO31610 |
| Nail Polish Type | base |
| Number of Items | 1 |
| Number of Pieces | 2 |
| Product Benefits | Strengthens and lengthens nails, prevents breakage |
| Target Audience | Adult |
| Type | base |
| UPC | 074170463156 |
| Unit Count | 1 Count |
E**X
Healthy nails
After decades of using S&S, gel, acrylic, to do my nails they were in really bad shape. They were thin splitting cracking. I started using this back in January and I’ve had very, very good success. My nails are now very short still but they’re healthy looking.
M**Z
Stronger, Longer Nails in Just a Few Weeks
This Sally Hansen duo is truly a miracle for nails! I’ve been using both the Diamond Strength Hardener and the Nailgrowth Miracle Treatment, and I’ve seen noticeable results. My nails used to be thin and break easily, but now they’re much stronger and growing faster than ever The hardener gives a glossy finish and protects my nails from chipping, while the growth treatment feels nourishing and helps them grow out beautifully I apply both regularly, and the improvement is clear. Totally worth the price highly recommended for anyone trying to recover damaged or weak nails
M**E
Great polish
I'm enjoying the nail polish set. It does harden your nails and makes them grow. Use both polish they work very good together. Thanks
S**S
Good product but...
Hard to remove product with nail polish remover
V**Y
These Help
Have been using this combo for several months & it helps; though not as well as the Triple-Strength one in the little green bottle that I can't find anywhere anymore (also Sally Hansen).
D**S
no complains
arrive good
W**V
Not worth it
If you want protection, this will not do the job. Instructions say to paint one layer but, when it dries, it is so thin. I don't think I will use it as a base or a protective layer. The hardener did not help my nail get stronger. I'm not sure about the grow polish, because my nails grow pretty fast without it. I wouldn't recommend this. The upside is that it does dry quickly.
H**R
Super effective nail growth duo
I’ve been using this Sally Hansen strengthener and hardener set for a while now, and it’s made a huge difference in my nails. They’re noticeably stronger, less prone to breaking, and have grown longer than usual. The formulas go on smoothly and dry quickly without any sticky residue. You can use them alone for a natural look or pair them with colored polish as a great base. It’s a versatile combo that really supports healthy nail growth. Definitely recommend if you want stronger, longer nails without the hassle!
C**E
0
Very bad both of them i try it for more than month and i don't get any results. Waist for money .
Trustpilot
1 week ago
2 weeks ago