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Thousands of reviewers are praising its miraculous results — and since it’s currently on sale, there’s no better time for you to see for yourself.

I'm a staff writer on the BuzzFeed Shopping team who covers a variety of topics from beauty to home to travel, while having a special enthusiasm for K-beauty, quirky (but useful!) trinkets, and all things luxe and aesthetic.

Promising review: "I have VERY dry, coarse curly hair. My hair is not shiny. Nothing ever makes it shiny. Even when I style it, it is still a bit coarse and very prone to frizz. Recently, I tried this stuff after styling my hair. It had been a day since I’d blown it out and it was already a little tangled and frizzy. I brushed out both sides and then added the oil. I kept brushing it through and adding it and then…. magic happened?! My hair became shiny and WAY smoother. I’ve never been able to resuscitate my hair like this post-styling before. This product has changed my hair routine. If you have super dry, coarse, frizzy hair, definitely try this stuff. My hair drank it up. Will definitely be reordering!!!!" —n75

Promising review: "Literally, the best hair product you can possibly get that is affordable and doesn’t leave your hair greasy — it makes it shiny and super soft. After I get out of the shower, when my hair is still damp, I put some on my ends and work the rest up into the top of my head. Sometimes I blow my hair dry after I get out of the shower and put it on, and then after I blow dry it, I put it on some more, and it looks absolutely beautiful — no greasy hair here. My hair type is fine and gets oily really fast, and yet somehow this product tames it a bit and keeps it looking healthy for days! Will purchase again and again!!!" —Tara Klein

Promising review: "I've never been a huge fan of hair serums, but this one blew my expectations away. I got the original since this was my first time trying it out. It makes your hair smell like you just walked out of a salon after getting a fresh haircut. It doesn't make any parts of my hair oily which is super awesome and gives it a healthy shine and helps manage any frizz after blow drying. I usually use 1-2 pumps at a time depending on my hair needs so this should last you a good bit and it's easy to bring with you on travels." —donald

Promising reviews: "Coming from someone with very coarse 4c hair.. this product is heaven sent. Extremely satisfied. Sticking to this product and this product only from now on lol." —Danielle

"Here's one item that really delivers on its promise. This oil helps with the frizzies on my fine, dry, long straight hair. And it smells wonderful — something I usually don't say because I'm highly sensitive to smells and don't care for artificially scented products. You only need a drop or two. I mix the oil with a little water in my palms and rub it into my hair. This is the best anti frizz for straight hair I've found." —Not Hollywood

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BuzzFeed Shopping is service journalism first: our writers and editors spend all day shopping so you don’t have to, vetting products, fact-checking brand claims, and surfacing what actually helps in real life. We center readers over revenue, recommend products with authenticity (using real experiences, not ad-speak), and reflect our diverse audience, inclusive of a variety of price points, people, and needs. We cut through fake deals, favor useful info over glossy fluff, and recommend both budget and splurge options with context so you can decide what’s right for you — and still have a little fun along the way.

Reviews have been edited for length and/or clarity.