This $27 At-Home Keratin Treatment Made My Dry Strands Silky Soft After One Use

Keratin Hair Treatment
Keratin Hair Treatment

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You've likely heard of professional keratin treatments, a process that revives damaged, dry strands and smoothes over frizziness. Keratin, a type of protein naturally found in the body, maintains the health and vitality of hair — alongside the skin and nails — and can deplete with age, excessive heat styling, chemical services, and environmental aggressors. While keratin treatments performed in a salon can often be expensive and time consuming, affordable and at-home options, such as the The Cosmocap from Remilia Hair, are a safe and easy stand-in.

The keratin-infused, lightweight serum arrives in the form of 30 biodegradable capsules, which each contain a single-use treatment. The fast-acting formula hails from Italy and contains hydrolyzed silk protein and vitamin b5, which aid keratin in protecting the hair from UV damage while increasing shine and reducing frizz and breakage with every use. It's meant to be applied as a post-shampoo treatment; massage the oil evenly into the hair working from the ends to mid-length, and leave on until your next wash. Bonus: It also doubles as a heat protectant for styling tools.

The Cosmocap
The Cosmocap

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Shop now: $27; amazon.com

Its efficacy was tested on both natural and color-treated hair through clinical tests, where 90 percent of users noticed an "instant increase in softness and shine," and 43 percent of users saw a "reduction in frizz and breakage after one use," according to the brand. It's perfectly safe to use on bleached strands, a statement I can personally attest to.

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After recently getting blonde highlights at the Mark Ryan Salon in New York City, my hair was in need of a hydrating pick-me-up. So, when Remilia Hair offered to send me its best-selling product, I was all too eager to put it to the test. Considering I've never tried a keratin treatment before, I was truly blown away by the results after only one use; my hair not only looked silky-smooth, but felt incredibly soft to the touch. The state of my dry strands only seemed to get better with continual applications, and my freshly done highlights were still perfectly vibrant, if not more so, each time.

Don't just take my word for it — The Cosmocap has garnered a dedicated following on Amazon, where shoppers with varying hair types have referred to it as a "miracle serum" and "liquid heaven." One reviewer called it a "magic hair potion" after seeing multiple benefits from using the treatment once a week: "My hair has been thicker, healthier, shinier, softer, and best of all, it has been shedding less and less." Another person opted into monthly deliveries through Amazon's Subscribe & Save feature after the oil "drastically changed" their hair for the better, transforming their "flat and dry-looking" strands to appear "so healthy and full."

If you're tempted to dip your toes into the world of keratin treatments, I recommend starting with The Cosmocap from Remilia Hair for $27 — it's truly a transformation in a capsule.