Sponsored
OPI Nail treatment Repair Mode - 0.3 fl oz
$24.99
In Stock
Eligible for registries and wish lists
Sponsored
About this item
Highlights
- 9% nail keratin repair.*
- 94% protection of keratin protein from damage.*
- 4x stronger nails in 6 days.*
- A vegan formula with no animal-derived ingredients or by-products.
- 9-free
- Cap made with PCR (post consumer recycled materials).
- *When used as directed
Description
Meet OPI's first ever bond building nail repair serum that penetrates the nail surface to build new bonds from within and repairs keratin for stronger, smoother nails.
Patented Ulti-Plex Technology™ repairs nail keratin structure by penetrating the surface to build new bonds INSIDE the natural nail.
Wanna CTRL + ALT+ DEL nail damage? Repair Mode™. Wanna prevent nail damage from things like hand washing or cleaning products? Ding ding ding! Repair Mode™. This breakthrough bond building nail serum completely reprograms your nails, resulting in 99% nail keratin repair.* Nails look improved after the first application, and with continued use, you can expect smoother, stronger nails that are resistant to breakage and an improved appearance of ridges and color. It's repair like never before.
*When used as directed
Patented Ulti-Plex Technology™ repairs nail keratin structure by penetrating the surface to build new bonds INSIDE the natural nail.
Wanna CTRL + ALT+ DEL nail damage? Repair Mode™. Wanna prevent nail damage from things like hand washing or cleaning products? Ding ding ding! Repair Mode™. This breakthrough bond building nail serum completely reprograms your nails, resulting in 99% nail keratin repair.* Nails look improved after the first application, and with continued use, you can expect smoother, stronger nails that are resistant to breakage and an improved appearance of ridges and color. It's repair like never before.
*When used as directed
Color Finish: Gloss
Beauty Purpose: Nail Care
Net weight: 3 fl oz (US)
TCIN: 89218416
UPC: 4064665202625
Item Number (DPCI): 052-06-7360
Origin: Made in the USA
If the item details aren’t accurate or complete, we want to know about it.
Ingredients:
alcohol denat., aqua/water/eau, maleic acid, 1,6-hexanediamine.
Shipping details
Estimated ship dimensions: 1.54 inches length x 1.86 inches width x 5.22 inches height
Estimated ship weight: 0.16 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
Return details
This item must be returned to any Target store.
This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.
Q: What is the finish of the nail treatment?
submitted by AI Shopping Assistant - 2 months ago
A: The nail treatment has a glossy finish, enhancing the overall look of the nails.
submitted byAI Shopping Assistant - 2 months agoAi generated
Q: Is this product suitable for vegans?
submitted by AI Shopping Assistant - 2 months ago
A: Yes, it is a vegan formula with no animal-derived ingredients or by-products.
submitted byAI Shopping Assistant - 2 months agoAi generated
Q: What is the main purpose of this nail treatment?
submitted by AI Shopping Assistant - 2 months ago
A: The nail treatment is designed to repair keratin and strengthen nails from within.
submitted byAI Shopping Assistant - 2 months agoAi generated
Q: What benefits can be expected after using this product?
submitted by AI Shopping Assistant - 2 months ago
A: Users can expect smoother, stronger nails that resist breakage and improved appearance.
submitted byAI Shopping Assistant - 2 months agoAi generated
Q: How does the product improve nail strength?
submitted by AI Shopping Assistant - 2 months ago
A: It uses patented Ulti-Plex Technology to build new bonds inside the natural nail.
submitted byAI Shopping Assistant - 2 months agoAi generated
Q: In what step of the nail painting process is this product intended for? Is it meant to use before as a base coat or after as a top coat? Or is it only meant for those in between times when the nail is bare?
submitted by Lex - 1 month ago
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Guests are saying
The product has received mixed feedback from guests, with many praising its effectiveness in strengthening and improving the appearance of weak and brittle nails. Guests have reported significant improvements in nail health, with some experiencing remarkable transformations after consistent use. However, there are concerns about potential damage, such as nails lifting from the bed, which has led to some guests feeling hesitant about continued use. Overall, it appears to be a promising option for those seeking to enhance their nail strength and health.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.2 out of 5 stars with 1940 reviews
easy to apply: 4.67 out of 5
easy to remove: 4.4 out of 5
long lasting: 4.67 out of 5
quality: 4.33 out of 5
value: 3.67 out of 5
83% would recommend
6 recommendations
1 out of 5 stars
21 November, 2025
originally posted on OPI
Disappointed
Can't use this anymore as it's destroying my nails. Included a photo to show the damage
4 out of 5 stars
10 November, 2025
originally posted on Home Tester Club

Good, but it's not magic
For reference, my nails aren't flaky or splitting, but they are extremely thin, flimsy and bendy. I have been using this for a about four weeks now and I find my nails aren't as prone to bending to the point of causing pain. I also find that applied under nail polish, it really does keep the colour on much longer. It hasn't worked any miracles, I still need to treat the root issue causing my poor nail growth, but this is a good solution until they grow out healthier. I would say it is however, not that different to other nail hardener I've tried, but much more expensive.
1 out of 5 stars
6 November, 2025
originally posted on OPI
Disappointing
Was very streaky, even after four or five coats - very disappointing
2 out of 5 stars
4 November, 2025
originally posted on OPI
No what I was expecting
No what I was expecting. The colour is too opaque that looks artificial and chip like any other . I was expecting a much better quality. The only good thing is that dry fast
1 out of 5 stars
1 November, 2025
originally posted on OPI
Harsh Product
Destroyed my nails. It’s impossible to take off with acetone and it started peeling at the top in 24hrs and caught on everything but the center part stayed on like cement and collected stains on my nails. When I tried to scrap it off it took the top layer of my nails with it. I take so much pride in my natural nails and thought this would protect them and instead it ruined my nail beds.
1 out of 5 stars
31 October, 2025
originally posted on OPI
Don’t bother
This bond building serum does NOT work. I used it twice a day for 6 days with no difference to my nails at all. An expensive buy with no results. What happens after 6 days ? No mention of when to apply again. Don’t bother save your money.
5 out of 5 stars
28 October, 2025
originally posted on OPI
My nails are stronger
Well worth the money. It’s expensive but it was the best strengthen polish I ever used. Bought the clear coat. No more peeling, chips and breakage. When I remove my nail bed doesn’t look dried out. I recommend
5 out of 5 stars
27 October, 2025
originally posted on OPI
Phenomenal!
I've applied 3 times a day for 4 days so far and my nails are the strongest they've ever been and the split in my thumbnail which has been permanent for many years is now fused back together and seems so far to be just as strong as the others. Time will tell if this is going to have any permanence but for now it is absolutely amazing! I'm honestly so impressed! That split thumb nail had to be kept cut short as it would easily catch on things ripping the split further into the nail which is unsightly but also painful. If this is a permanent fix I will be blown away!
1 out of 5 stars
26 October, 2025
originally posted on OPI
Nail envy
Waste of money did not strengthen my nails. Did not prevent splitting or breaking.
1 out of 5 stars
16 October, 2025
originally posted on OPI
Not worth it
I don’t notice a difference at all. My nails are still weak and chipping. I would not recommend this product.
5 out of 5 stars
15 October, 2025
originally posted on OPI
REALLY works
I'm 84 and despite good health and good diet have fragile, weak and ridged nails. Additional vitamins did nothing to help, but this Bond Building Nail Serum really works for me. Whether young or old, it's an excellent product.
2 out of 5 stars
12 October, 2025
originally posted on Home Tester Club

Not much of a difference
We have used this OPI repair mode bond building nail serum for a month now on one hand however we don’t see a big difference. It is quite a pricey product for the result we get .
1 out of 5 stars
9 October, 2025
originally posted on OPI
impossibly thick consistency
the thick consistency making it impossible to put it on the nails smoothly
5 out of 5 stars
9 October, 2025
originally posted on OPI
Nail Hardener
It's a must, I always use OPI Nail ENVY Original, Nail Hardener, it is brilliant.
5 out of 5 stars
7 October, 2025
originally posted on OPI
Amazing Results
July, I started using Repair Mode. After 2 weeks, I noticed results. Within two months, my nails were stronger, no longer splitting/peeling, and growing. I always had really strong, healthy nails. Over the past year my hair and nails took a drastic turn for the worse. My friends even noticed the difference in my nails. I was known for having long thick polished nails. Now my nails were thin and breaking and would not grow past my nail bed. I only wore a very pale shimmer because my nails just kept peeling. Then I started using Repair Mode. After two weeks I noticed a difference. Two months later, and my nails finally started to look the way they used to. My nails are so strong again. They have grown so much that I have to file them down. My nails are so long and thick and strong they look fake. Repair Mode really does work and works fast. I am very grateful for this product and restoring the beauty in my nails. Thank You
5 out of 5 stars
6 October, 2025
originally posted on OPI
Amazing.
I’ve been using this product for the last 4 weeks. My nails have stopped snapping.
1 out of 5 stars
5 October, 2025
originally posted on OPI
OPI not pink
Not impressed by this nail strengthening, had not altered my nails after 2 months. And I thought it had a pink glow to it but hasn't. It's misrepresenting the varnish. Will not buy OPI again.
2 out of 5 stars
5 October, 2025
originally posted on OPI
Nail strengthening
Makes nails look very yellow not a great look not clean enough
4 out of 5 stars
5 October, 2025
originally posted on OPI
Bubble Bath iconic colour
A great colour but not quite as good a finish as The Original ‘ Bubble Bath ‘ :: please bring back
5 out of 5 stars
4 October, 2025
originally posted on OPI
Amazing
I'm in my mid 60's and have never ever had nails of any length - all 10 at the same time and no signs of splitting. This serum is amazing