Top positive review
14 people found this helpful
Really works.
By A. Sparks on Reviewed in the United States on April 5, 2025
Lives up to the hype. I've heard a lot about K18 but was skeptical. It's getting warmer and more humid where I live and my hair gets frizzy in high humidity so I thought I'd give this a try. I used it this morning after my shower and it really does work. My hair feels soft, is nice and shiny and there is no frizz. It is light weight and smells good. I only used 4 pumps on my hair that is just above shoulder length. It is a little pricey to me but it seems to be worth it. I will likely buy this again - but maybe I'll just use it in the summer when my hair gets frizzy.
Top critical review
149 people found this helpful
Fall in love with K18 for lots of $ LOL
By Amazon Customer on Reviewed in the United States on October 7, 2024
I fell in love with the K18 Leave-In Molecular Hair Mask about a year ago after my hairdresser introduced me to it. While it’s on the pricier side, its effectiveness and quality make it worth every penny. When I’m unable to splurge, I turn to my regular leave-in spray, Perfect 10 Lite. As someone with thin, color-treated hair that tangles easily and suffers from damage, this product has been a game changer. It shortens my shower time, extends the life of my conditioner, makes brushing my hair effortless, and leaves my hair looking healthy once styled. I recently purchased the larger size, fully aware of the cost. However, when I opened my package, I briefly thought I either ordered the smaller size by mistake or received the wrong item. I realized it was indeed the larger size I ordered and I debated returning it. The true test came when I woke up with a legit rat's nest. I was so thankful I had this product on hand, as it made detangling much easier than previous times when I had nothing to help with the mess. One note: I read a review suggesting that you should rub the product between your palms to activate it before applying it to your hair. That makes sense, and I’ll definitely give it a try. However, I find it quite unethical that the company leaves this step out of the instructions on the box and bottle. It feels like they might not want you to use it correctly so that you’ll need to buy more sooner—quite disappointing!
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