K18 Molecular Repair Hair Oil, Weightless Oil for Stronger, Healthier Hair, Suitable For All Hair Types, 0.34 Fl Oz
$20.25
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Product Dimensions : 1.06 x 1.06 x 3.18 inches; 0.8 ounces
UPC : 858511000794
Manufacturer : K18
ASIN : B0CD84PNDD
Best Sellers Rank: #3,387 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #26 in Hair Treatment Oils
Customer Reviews: 4.3 4.3 out of 5 stars 2,110 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
K18PEPTIDE repairs hair at a molecular level across multiple types of bonds, restoring hair health for all
works on all hair types to strengthen, repair damage & improve shine at two levels of the hair fiber
Weightless & silicone-free, this oil repairs damage that causes frizz long-term
Clinically proven damage Repair
13 reviews for K18 Molecular Repair Hair Oil, Weightless Oil for Stronger, Healthier Hair, Suitable For All Hair Types, 0.34 Fl Oz
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$20.25
Rose –
Great for shine on blonde hair
I tried out the traveler size first before committing. I’ve been using the product for over a month, and it keeps my hair soft after blow-drying/blowout. Definitely felt the difference in how healthy my hair feels because I tried the garnier fructis as a “replacement” product for those two days my hair was dry, frizzy, and no shine. My husband noticed how shiny and bright my hair was right away when I started using the K18 oil again.
Dakota Booher –
Order it now
I had extensions for 2 years and been using this to help my hair regain some life. This stuff has been amazing made my hair so soft and smells sooooo good defiantly recommend any k18 product
jessica b. –
Worth every penny!!
I’m officially a lifelong customer of K18!This product has made my hair unbelievably shiny and silky—it’s truly incredible. I use the full K18 line, but this one stands out as the most effective while requiring only a tiny amount. Just three drops through my damp hair, and once it dries, there’s zero frizz and so much shine. It’s not cheap at $65, but absolutely worth every penny.
Lily –
Great product
I submitted two photos. One with my hair straightened and one of my natural curl and this product with the k18 hair oil worked amazing! It also makes my hair shiny and i don’t have to wash every day. I have gone through 2 bleach sessions with one more in a month, and i will keep using this product! I am sold. Helping me keep the integrity of hair health while i continue to get to my blonde goals!
Bini –
Shine, Strength, and No Frizz—All in One Drop
K18 Molecular Repair Hair Oil is a luxe, peptide-powered treatment offering legit benefits—lighter, smoother, shinier hair with frizz control and heat defense. It’s especially worth it for damaged, bleached, or frizz-prone users. Just remember: less is more, and pairing it with the K18 mask amplifies results. It’s definitely pricy but would like to buy again..
VanillaPepper –
Subtle Scent, Serious Letdown – Left My Hair Drier Every Time
Give it three stars because so many people love it but personally I think it’s horrible especially for people with over processed hair and I had high hopes for the K18 Molecular Repair Hair Oil. With all the buzz surrounding this sleek, science-forward brand and the premium price tag, I expected a transformative experience. What I got was a subtle-scented, high-end disappointment that made my overprocessed, thinning blonde hair worse—not better.Here’s what happened:⸻Scent: Clean and SubtleLet’s give credit where it’s due. The fragrance is very mild, almost undetectable—something I appreciate in leave-in products. It won’t compete with your perfume or irritate a sensitive scalp. I thought this was a promising sign.⸻Performance: Left My Hair Feeling Even DrierMy hairdresser first used this oil on me, thinking it might help after color treatment. It didn’t feel hydrating at all. I brought a sample home and gave it several chances, applying it to damp and dry hair alike—but each time, my hair felt rougher, not softer.Instead of sealing moisture, it seemed to highlight the brittleness of my ends. Even small amounts left my hair looking dull, weighed down, and more prone to frizz, not less. It did not detangle, did not smooth, and did not protect.⸻Why It Doesn’t Work (at least not for fragile hair):• No nourishing slip—lacks that emollient softness good oils provide• Too light for dry or porous hair, yet somehow still left a residue• Claims to “repair” or “shield” just didn’t hold up in real use• Doesn’t layer well with other products—caused buildup and texture issues⸻Price vs. Performance: Overhyped and OverpricedThis is a luxury price for lackluster results. I’ve tried many products—from clinical-grade formulas to budget oils—and I rarely return something this quickly. Thankfully, because I’d tried a sample and already knew it didn’t work for me, I was able to return the full-size bottle unopened once my Amazon order arrived.⸻My Hair Type:Fine, thinning, dry, overprocessed blonde—and currently under dermatologist care. I’ve had success rebuilding my hair’s strength and moisture balance with the right mix of products. This was not one of them.⸻Bottom Line:If your hair is damaged, brittle, or color-treated, I don’t recommend this oil. It didn’t deliver on any of its promises and actively made my hair feel worse.Follow me for honest, experience-based reviews. I test both luxury and affordable options for stressed-out hair—so you don’t waste time or money on products that don’t work.⸻Full Ingredients (from official label):Caprylic/Capric Triglyceride, Dimethicone, C13-15 Alkane, Bis-Hydroxy/Methoxy Amodimethicone, Isododecane, Isoamyl Laurate, Fragrance (Parfum), Tocopherol, Schinziophyton Rautanenii Kernel Oil, Squalane, Phytosteryl Macadamiate, Cocos Nucifera (Coconut) Oil, Oryza Sativa (Rice) Bran Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Hydroxypropyl Gluconamide, Hydroxypropylammonium Gluconate, Citric Acid, Benzyl Salicylate, Limonene, Linalool.
Ziggi –
Best Yet
A couple of years after I quit bleaching my hair, I figured out that getting fried wasn’t the cause of my dry, troll doll floof. Sadly, it’s hormones and aging – my scalp is producing almost zero natural oil. Most hair oils I’ve tried sit on the surface and look dull and greasy, but this one seems to get absorbed, and my hair no longer defies gravity. I’m not going to claim it gave me a thick, gleaming mane, but my hair stays down, and that’s a big deal for me. I need about 5 drops each time, so I don’t know how long it will last. One thing I’ve found that makes it work even better is using both hands to work it down the length of my hair and massage between the strands. I use this in conjunction with the K18 hair mask, which is also wonderful and expensive.
David –
Way overpriced product
I love the smell of it. However, non wash days no matter how hard I try my hair gets slightly greasy. The oil is great to combat the Colorado dryness. It is super expensive for getting your hair greasy :(. I am trying to love the product but is not working . On wash days I certainly do not want to use the product. So why would I want to keep it in my house.
Bonny –
Tengo decoloración en todo mi cabello, y este aceite no mancha mi rubio como otros aceites tipo moroccanoil.
Client d’Amazon –
En combinaison avec le k18 crème restructuration sublime les cheveux abîmés ou ternes. Les rends soyeux et brillants.
Laila –
No difference
N. Brenner –
Pflegt gut, nicht zu schwer.
Cristina –
Me deja el pelo graso