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Koi Beauty

5 Minoxidil Hair Growth for Men and Women Extra Strength Minoxidil Hair Loss Treatment Serum with Biotin for

4.2(27)
$14.99

411+ bought in the past month

About this item

  • Clinically Hair Growth Solution - Revitalize your hair or beard with our advanced formula of 5% Minoxidil, Biotin and Niacinamide. The unique formula effectively stimulates stronger, faster hair growth for both men and women, promotes beard growth for men
  • Powerful 3-in-1 Hair Loss Treatment – Clinically visible results in just 8 -12 weeks of consistent use. Minoxidil reactivates hair follicles and promotes natural regrowth. Biotin can accelerate the growth of hair follicles and promote keratin production. Niacinamide can promote hair growth by improving blood circulation in the scalp and providing essential nutrients to hair follicles
  • Versatile Application: Beyond promoting hair growth on the scalp, this product also functions to men's beard growth. It stimulates hair growth, strengthens follicles, and reduces hair loss in multiple areas, regrow fuller thicker hair (beard)
  • Easy and precise use - After shampooing or rinsing, apply 2-4 drops to targeted areas of clean, damp hair or beard, massaging gently until fully absorbed
  • Safe and Gentle for All Hair Types - Perfect for those who need quick hair growth (beard), thinning hair, balding, brittle hair, alopecia etc. This essential oil serum revitalizes hair from the root, repairs split ends, and helps reduce hair damage and hair loss

Key details

Brand
Koi Beauty
Item Form
Lotion
Material Type Free
Phthalate Free, Gluten Free, Paraben Free
Age Range (Description)
Adult
Recommended Uses For Product
Hair/Beard Growth, Hair Loss, Alopecia

Dimensions and fit

dimensions
‎ 4.92 x 1.77 x 1.69 inches; 3.21 ounces
package_dimensions
4.92 x 1.77 x 1.69 inches; 3.21 ounces

Item information

manufacturer
Koi Beauty
best_sellers_rank
#126,401 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #926 in Hair Regrowth Treatments
Highlights

About this item

  • Clinically Hair Growth Solution - Revitalize your hair or beard with our advanced formula of 5% Minoxidil, Biotin and Niacinamide. The unique formula effectively stimulates stronger, faster hair growth for both men and women, promotes beard growth for men
  • Powerful 3-in-1 Hair Loss Treatment – Clinically visible results in just 8 -12 weeks of consistent use. Minoxidil reactivates hair follicles and promotes natural regrowth. Biotin can accelerate the growth of hair follicles and promote keratin production. Niacinamide can promote hair growth by improving blood circulation in the scalp and providing essential nutrients to hair follicles
  • Versatile Application: Beyond promoting hair growth on the scalp, this product also functions to men's beard growth. It stimulates hair growth, strengthens follicles, and reduces hair loss in multiple areas, regrow fuller thicker hair (beard)
  • Easy and precise use - After shampooing or rinsing, apply 2-4 drops to targeted areas of clean, damp hair or beard, massaging gently until fully absorbed
  • Safe and Gentle for All Hair Types - Perfect for those who need quick hair growth (beard), thinning hair, balding, brittle hair, alopecia etc. This essential oil serum revitalizes hair from the root, repairs split ends, and helps reduce hair damage and hair loss

Product videos

Product video 1

Customer reviews

27 reviewsPositive

Rated 4.2/5 across 27 reviews — well received overall.

Customers say

Customer summary is not available yet.

Reviews with images

Customer review image for Strong & Easy to UseCustomer review image for Strong & Easy to UseCustomer review image for No Results + Irritation, Lack of Transparency
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★★★★

A Potent, Well-Formulated Serum That Sets High Hopes for Future Growth

Embarking on a hair regrowth journey requires a product you can trust and use consistently, and this Minoxidil-based serum has made a very positive first impression, though the real test will be time. The Good Stuff What's immediately impressive about this product is its intelligent, multi-pronged formula. It doesn't just rely on the clinically-proven power of 5% Minoxidil to reactivate follicles; it supports the entire growth process. The inclusion of Biotin provides one of the essential B-vitamins for building strong keratin, while Niacinamide helps improve scalp circulation to ensure those follicles are well-nourished. The application is another major plus. The serum has a pleasant, non-greasy consistency that is easy to apply with the dropper, and it absorbs into the scalp and beard area cleanly without leaving a heavy residue, which is crucial for daily compliance. The Catch The one and only "catch" is the most obvious one: hair growth is a marathon, not a sprint. The product itself states that visible results can take up to 12 weeks of consistent use. Therefore, after only a short period, I cannot speak to its ultimate effectiveness. This review is based on the quality of the formula and the positive user experience, not on final results. It's also important for any new user to understand that Minoxidil requires a long-term commitment to maintain any new growth. The Bottom Line This is a very promising four-star product. The combination of key active ingredients is excellent, and the formula is a pleasure to use, which is half the battle. Based on its well-thought-out formulation and user-friendly application, I am very optimistic about its potential. I will update this review in several months with my long-term results, but for now, it stands as a highly recommended option for anyone looking for a powerful, multi-faceted approach to hair regrowth. Read more

Customer
★★★★★

Works better than the 5% name brands!

Well, I wish I'd taken a photo of the bottle before I used it all up [for reference's sake]. Works brilliantly. I typically use a 5% name brand foam. I took a chance on this and switched to it entirely. I LOVE IT. I'm back to order another bottle today. I never thought I'd get used to the drops rather than the foam but I continued using foam I had after I ran out of these drops and it's a mess. This liquid is scent free, effective and works great. Read more

KimKim
★★★★

Strong & Easy to Use

This 5% Minoxidil serum is impressive for its multi-pronged approach to hair growth. It doesn’t just reactivate follicles—Biotin strengthens hair keratin, while Niacinamide improves scalp circulation, supporting healthier, fuller hair. The serum itself is easy to apply: non-greasy, fast-absorbing, and doesn’t leave residue, making it simple to include in any daily routine. Compared to weaker 2% formulas, this extra-strength option feels more potent and promising. Visible results take time—typically a few months—but even early use shows strengthening of baby hairs and a boost in follicle activity. I will update the review after a few months. It pairs well with complementary treatments like red light therapy for faster results. Affordable compared to name-brand Minoxidil, this formula feels like a natural part of a self-care routine rather than a medicated treatment. For anyone looking to grow fuller, thicker hair or strengthen existing growth, this is a highly recommended, user-friendly option. Read more

Customer review image for Strong & Easy to UseCustomer review image for Strong & Easy to Use
MindfulMommaLife
★★★★★

Works great

The active ingredient in vast majority of hair loss serums is 5% Minoxidil. Don't get stuck paying for incredibly expensive versions of treatments when it's still using the same foundation formula. Biotin is another good key ingredient which is B-vitamins which makes hair feel stronger and less brittle. This is a great value compared to other brands I have been looking at. If you have done any research hair loss you know that once you start the process you need to continue diligently or the effects can wear off, if you are looking to start your journey this is an excellent value entry point Read more

Brew Review
★★★☆☆

No Results + Irritation, Lack of Transparency

I’ve been using this Minoxidil 5% solution for about two weeks now and unfortunately, I had to stop using it. Not only did I see no noticeable results, but I also developed irritation on the areas where I applied it. It left my scalp feeling itchy and inflamed. Another thing to note is that the product is made in China (marked as PRC), and there’s no lab verification or independent testing to back up its claims. I’m always cautious with hair growth treatments, so the lack of transparency regarding the manufacturer and product testing is concerning. Without more info or lab results proving that what’s in the bottle is what’s advertised, I just can’t trust it. For now, I’m not satisfied, but if they were to provide more details about the manufacturer or lab tests, I would consider giving it another try. Until then, I can’t recommend it Read more

Customer review image for No Results + Irritation, Lack of Transparency
nodishackattack
★★★★

Decent size bottle, less expensive than name brands

My teen son had luscious locks until going through medical treatment. A year has passed and his hair is still very thin (more has fallen out after treatment than during) and he has become conscious about it. Being a teen with early male patterned baldness isn't "cool" so he asked for some help. He's only been using this, in addition to supplements, for about a month so it's way too early to see any improvement - I will update my review when something changes. Our concern with Minoxidil is that the hair will fall out again after discontinuing use. This is a decent sized bottle and it's much less expensive than name brand for the same active ingredient. Read more

Twin Mom
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