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💅 Elevate your nail game with Japan’s secret to lasting shine & strength!
The Onsen Secret Nail Care Kit combines a 20-year perfected enzyme serum, unique 3-way grit buffer, and mineral-rich Onsen water to deliver a spa-quality manicure experience. Designed for safe, fast nail strengthening and shine, it’s ideal for natural nail recovery and sustainable beauty routines.








| ASIN | B07D4L469L |
| Best Sellers Rank | #55,270 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #65 in Cuticle Oils |
| Brand | ONSEN |
| Brand Name | ONSEN |
| Color | White and Green |
| Customer Reviews | 4.6 out of 5 stars 2,705 Reviews |
| Grit Type | 3 Way Buffing sides, Dual Grit 120 and 180 |
| Item Weight | 0.09 kg |
| Manufacturer | Onsen Secret |
| Manufacturer Part Number | NCBundle |
| Material | Essential Nail Reboot Kit (Serum) |
| Material Type | Essential Nail Reboot Kit (Serum) |
| Model Number | NCBundle |
| UPC | 720189101892 |
| Unit Count | 1 Count |
M**J
Love my nails!
This kit works great and has everything you need for a healthy natural look without polish.
M**N
Amazing results - instantly!
For many years, I've kept my fingernails trimmed very short for convenience and practicality for typing, etc. With that, I haven't paid much attention to whether or not they look good. For one thing, I don't like to wear nail polish - it's messy, doesn't last, and isn't good for nail health. I've been a little jealous of my friends' nails, but a lot of them wear acrylics and I didn't want to do that, either. So, I decided to try buffing, and after some research, I ordered the Onsen Secret Japanese Nail Buffer and Shine Kit. It came yesterday, and I used it immediately: file, cuticle cream, and buffer. What a difference! It was so easy to use. The file was great - didn't leave my nails rough at all. The cuticle cream (just a tiny drop on each nailbed) was soothing and absorbed beautifully. And the buffer - WOW!!! I used it as directed, first the silver side, then the green, and then a final polishing buff with the white side. I can't believe the difference in the appearance of my nails! In less than ten minutes, they went from ridged and dull to smooth and glowing with a nice sheen! At age 72, I've finally found a nail care regimen that I not only can live with, but which really shows good results. Yes, I'll still keep my nails short, but now they can look very nice anyway. THANK YOU FOR THIS PRODUCT! I will use it faithfully from here on out. (I wish I had taken a "before" picture of my nails so you could really see the difference this product has made with just ONE use!)
K**Y
Amazing!
I have tried numerous expensive products to fix my severely damaged nails that were perpetually splitting. I have been using this product for 2 days and the results are remarkable.m! My nails look and feel so much healthier. I will be throwing away all of the other products that were ineffective!
M**Y
Great product !!
So far I like it! Will update 4 weeks.mstill,puzzled how sanding our ridges is part of the strengthening instructions since makes nail thinner.
C**L
Nails shiny like I have clear polish on
Works great
S**F
Get healthy natural nails
Great product
M**Y
Great Product
I read a ton of reviews including the negative ones. I was on the fence but my nails and cuticles were such a mess, I finally ordered the kit. I had been trying a variety of products before this. None really worked. I was thinking about going to get my artificial nails back on after growing them out during the pandemic, but I tried this first. It's been 10 days. Before I get into my hands, let me tell you about my toenails. I've used the nail file and buffer on them and they look amazing after one use. I've never seen them look this great. The cuticles are smooth and it looks like I spend a lot of time taking care of them. The edges are so smooth, nothing like you get at the nail salon. Let me address the cuticle cream. It does not leave your hands feeling sticky. It dries and feels like you have the nail bed to skin "sealed". I have no desire to pick at them. It seems to seal the skin so that it won't peel giving me the urge to pull the peel off. That is a big plus for me. I would buy this just to get the cuticle cream. It's lightweight so not really a cream--more like a light weight lotion that heals. The nail file quickly gets your nails in shape. Much faster than the files I use. It also worked very well on my toenails. Quick. The buffer also works quickly. Follow the instructions on how many swipes to make. This system for the price is the best I can find. You would have to really hunt everywhere to put individual items together that were as good as this system--and it would cost much more. The bonus for me besides the healing cuticle cream is now I can do my toenails in a matter of minutes and they've never looked better. Love this system.
P**E
Eh
Didn’t do much even with consistency on my end. But I use the buffer frequently still.
A**X
It really works!
I love having short nails but it's nice to make them look neat as well, I was using a clear nail polish but this is so much better! My nails are smooth and shiny, they look like they have polish on them and they are also growing like crazy. I highly recommend this kit. I've only used it twice so far and my nails look so much better.
G**S
Excelente produto
Simplesmente perfeito! Rápido, prático e muito eficiente. Unhas brilhando e cutículas tratadas.
A**E
..top..
..hat meine Erwartungen übertroffen..
J**Y
Great little nail care set!
I have been using this set for 2 weeks now, and although I will update later on how long-lasting it is, so far so good. I have very weak nails naturally, they are flexible and tend to flake and split from the side edges inwards, and after years of cancer treatments and a chemical menopause, they have now started to show vertical ridges. As I’m still in treatment and not allowed to use nail varnish or remover most of the time, I bought this set in the hope that it would make my nails less embarrassing! The first time I used the buffer, the visible difference was immediate: the beginnings of ridges were smoothed and the nails so shiny they looked as if I had clear nail varnish on them. The shine lasted for a week despite using the cuticle cream on it most nights, until I used the buffer tool again. The cuticle cream is easy to apply and has a light fragrance of garden herbs, and I’m really pleased with how healthy my nails are now looking 👍 In the two weeks I’ve been using the set I haven’t had any splitting or breakage, which is unusual for me but I don’t want to assume this is down to the Onsen products until I’ve used them for a longer period. The buffer surfaces are apparently valid for 10 uses (so 10 weeks if following the box instructions) and it includes a spare set.
F**R
Onsen Secret Nail Care Kit - definitely worth the purchase!
I dont go to nail spas often due to time constraints so i appreciated Onsen creating this a nail care kit. To be honest, i didnt expect much cos i've tried a variety of hand creams/cuticle creams and nail files..but boy was i truly amazed! The cuticle conditioner worked like a charm. My super dry cuticles and the surrounding skin were no longer peeling. The conditioner also moisturised the hangnails that were previously present! I am definitely in love with Onsen's nailcare kit. The shine from the buffing block also lasts despite me using the conditioner after buffing. Definitely impressed and will recommend! Thanks very much, Onsen!
Trustpilot
3 weeks ago
2 weeks ago