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💅 Unlock your nails’ true potential—stronger, longer, flawless every day!
ePhD Bond Repair Nail Treatment uses patented biodiffusion technology to strengthen, restore, and rebuild brittle or damaged nails. Designed for post-gel and everyday use, it delivers noticeable results after just one application and doubles as a polish base, making it a must-have for resilient, healthy nails.













| Customer Reviews | 3.9 out of 5 stars 649 Reviews |
F**G
Nail is Repaired
I wish I had taken a picture of my nail, but after trying so many products in the past, I decided not to this time. My nail was split down the middle, reaching into the middle of nail bed—it was extremely painful and would catch on everything, tearing even further. After trying out numerous remedies, I saw this product featured on the Today Show and decided to give it a chance. WOW! It turned out to be the best solution I’ve tried. Over the past two months, my nail has grown out, and the split is completely gone. I would definitely recommend this product to anyone.
S**Z
Great product for damaged nails
I had artificial nails for 14 yrs I decided not continue to keep them. My natural nails were so thin they cracked so easy after take the artificial nails off. I noticed them healing after a few weeks, I use it everyday, so give it time. I love my natural nails, much better than putting not so healthy plastic on my nails.
A**E
Works great!
This product has restored my nails to what they were years ago. I highly recommend it. It needs to be used consistently and takes time but it definitely works. Very easy to use. Love it.
B**N
Great product
Been using for awhile I think my nails are stronger .
K**I
Did not work for me.
I used it as directed for 3 weeks and my nails did not respond as I had hoped. There was no difference between day 1 and day 21.
G**E
So far, so (VERY) good!
Have had vertical splits in my nails for 15+ years., with no solution in sight. Tried this , and it seems to be working after about two weeks. My nails certainly look better, are smoother, and no cracks visible. Very hopeful this will have a lasting impact on my nails!
J**E
Worth the money!
This works to harden & strengthen my thin, brittle, peeling nails. I’ve seen a lot of reviews complaining the product doesn’t last long but I’ve been using the same bottle of ePhD for well over 45 days and have not yet run out. While I love this product and encourage shoppers to give it a try, I only gave it 4 stars because (1) the bottle is white, meaning you can’t tell how much product is left in the bottle as you use it and (2) it can only be used on bare nails - when I put it on over nail polish it remains sticky.
K**R
Nail Repair
I’m going to start with 3 stars and may update over time. It’s a costly product. If it works, then it will be worth it. The bottle was plastic wrapped, meaning no way for any contents to spill in transit. However as others have said, there is not much product in the bottle. Since the bottle is white it’s not like you can see that. I had to angle in with a light to see that there is very little in this bottle. The reason I questioned what was inside is because it’s nearly dry on the brush when it comes out. I had to apply multiple coats tipping the bottle each time. Also it says for use with nail polish on the description here on this listing. But on the bottle says to use under. Yet to also use once a day to a bare nail. I got this so that I could apply first, do my base coat, do my polish and use on top until time to repaint my nails. Using daily on bare nails will only work for people that don’t polish. I hide my damaged nails under polish. So time will tell. Not sure I’ll buy again since the bottle isn’t full and very dry when it does come out.
C**B
This really works
I have taken a while to review this, I wanted to make sure it continued to work. I stupidly removed my gel nails at home and wrecked my own nails. This has worked brilliantly to repair the damage and condition my nails. I would definitely use again..
J**G
Im picky, but I love this.
After a few uses this stuff actually works! My nails are stronger, less cracking/splitting and not nearly as dry after just a few uses. They look better too. I would highly recommend this to anyone after gel nails, or with weak or brittle nails. I love how quickly it absorbs, no grease, no mess, no stickiness. It’s not like other “polishes” ..I would describe it as the most moisturizing treatment my nails have ever experienced.
Z**D
Bon produit
Conforme aux photos et à la description
S**E
Bottle was empty 😡
It arrived completely dry....or empty. I thought maybe it froze from being outside, but no, there's nothing in the bottle. Wtf
H**S
100% worth it!
Been using this daily for 2 weeks now and really which I had taken a before pic! My nails are noticeably strong, not breaking or pealing.. and growing long. I had pretty damaged nails, very thin and soft and they’d constantly break or rip before they had a chance to really gain any length. Looking forward to seeing how they look after a month of use.
Trustpilot
1 month ago
5 days ago