Ouai Hair Serum Reviews

As a beauty writer, there’s nothing I love more than getting to sing the praises of a product that actually works. It seems like hair growth serums and vitamins have been popping up in online ads and stores more than ever lately, and I’ve tried my fair share of them.

After I started living alone (and there was no one to blame hair shedding on but me!), I realized I was shedding more than I ever had before each time I washed my hair. I had to spend practically every other day Swiffering loose strands from my hardwood floors. Just a few months ago I was using a scalp oil that promised regrowth, but it left me with a raw scalp that actually felt burned when I tried to touch it. When I heard that Ouai was coming out with a serum-vitamin combo that promised less shedding and more hair regrowth, I knew I had to try it. My scalp was fried from the other oil I was using, so to add insult to injury, I was also dealing with flakes in my hair.

Ouai Hydrating Scalp serum bottle and packaging

Ouai Hydrating Scalp Serum: A Closer Look

The Ouai Hydrating Scalp serum doesn’t use the typical ingredients found in other hair serums, like castor oil. It’s formulated with peptides, hyaluronic acid, and red clover flower extract to soothe the scalp.

If the brand name sounds familiar, it’s because Jen Atkin, the Kardashian’s go-to stylist, created it. And, as we all know, if something comes with the Kardashian’s approval, it’s gotta be good.

Personal Experience with Ouai

When you apply the leave-in serum daily and pop one of the Ouai vitamins in tandem, the brand says you’ll see results in as little as 90 days, but I have to say I started seeing results within the first week. After a week of taking the vitamin and applying the serum (I applied it each time I washed my hair to a clean scalp), I noticed about 1/3 less shedding in the shower.

But perhaps the best and most unexpected perk of all is that my hair became noticeably less oily. Even in the winter, I typically have to wash my hair daily, it gets so greasy. Since I started the Ouai serum and vitamin combo, I can wash my hair every other day, which may not sound like much, but has been life-changing for me. I’ve only been using this combo for about a month now, but I can’t wait to continue to see more results and more growth by month three.

The Ouai scalp serum is honestly one of those products that feels super light and refreshing on the scalp. It absorbs quickly, doesn’t make my hair greasy at all, and just gives that clean, balanced feeling. With regular use, I have noticed my scalp feels calmer and overall healthier, which makes my hair look better too. It doesn’t make my scalp itchy. I’ve been using this for about a year. The consistency doesn’t make my hair feel greasy even if I let my hair air dry. While the dropper isn’t the easiest to use, the results have been so worth it. I’ve had significant new hair growth after weight loss which caused it to thin. The smell is also lovely!

It smells amazing! It feels so clean and fresh in my scalp after washing it. It does not make my hair greasy, which I was surprised about. I use kind of a lot when I use it, and it lasts awhile and absorbs nicely.

Close-up of Ouai Hydrating Scalp serum being applied to scalp

Comparing Ouai with Other Hair Growth Products

Stress has always been my downfall. It gives me aches and pains, and recently I noticed my hair falling out in clumps every time I’d shower. I’ve always been told that I have beautiful thick tresses, so it was horrifying to see it circling down the drain. I wore my hair back in a messy, concealing bun for months until my friend Sarah suggested that I check out some hair products that can support the appearance of longer, denser, thicker, and healthier hair.

After doing some research, two top contenders kept cropping up: Vegamour GRO Collection and Ouai’s To Grow Kit. Both brands offer products that boost hair wellness.

Vegamour GRO Collection

Vegamour has a convenient subscription option to refill your empty products without having to worry about running out! Vegamour offers everything from hair serums and shampoos to conditioners and even supplements. I was thrilled to see that their products are made with natural ingredients and without hormones or carcinogens. I decided to try their best-selling GRO Hair Serum. I immediately noticed the serum’s pleasant smell - a lovely light and fresh scent. The application is super easy. I simply fill the dropper, apply it directly - and evenly - to my scalp, then carefully massage it in with my fingertips. I can even style my hair as usual since it’s a leave-in product - no rinsing required! Vegamour recommends using the serum daily to achieve best results - so that’s what I do!

But after using it for about 4 weeks, I was kind of skeptical since I didn’t notice anything different. I’m not the most patient person, so it was challenging to stick with. When I hit 2 months, I suddenly started seeing real results. I couldn’t believe that their serum actually works! My mom-friends kept telling me how much healthier my hair looks and begged for my hair care secrets.

Vegamour has a whole line of GRO products that contain natural ingredients, like dry shampoo (which I’m always running out of), shampoo and conditioner, and even delicious little gummies. Their products are high-quality, vegan, and made without toxins. If you’re dealing with thinning hair, I can’t recommend Vegamour enough. Their products are absolutely safe-to-use and deliver visible results.

Comparison infographic: Ouai vs. Vegamour ingredients and results

Ouai To Grow Kit

The Ouai To Grow Kit contains the Ouai Thick & Full Food Supplement and the Ouai Scalp Serum. The Ouai Food Supplement is an oral capsule that contains biotin, which is known to support healthy hair growth. Honestly, this supplement is tough to take every day because it has such a horrible odor. Similarly, with the Ouai Scalp Serum, I followed the instructions and applied it directly to my scalp daily. This oil is kinda heavy, which just weighs down my fine hair. After 2 months, I saw no significant reduction in hair breakage or hair growth with Ouai. My scalp didn’t feel moisturized or nourished. Ouai’s To Grow Kit may work for some people, but it’s clear this brand’s expertise lies with their styling products and not hair growth. Personally, when it comes to the health and wellness of my hair, I’ll be sticking with natural products. Vegamour’s GRO Hair Serum is just the beginning for me!

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OUAI Scalp Serum Review on Dry Hair

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