Nioxin System 2 Hair Thickening & Untreated Hair Shampoo & Conditioner Kit - 3ct: 10.34 oz Liquid Shampoo and Conditioner Sets
$30.99 ($3.00/fluid ounce)
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Guests are saying
The Nioxin hair care system has garnered positive feedback for its effectiveness in promoting hair regrowth and thickness, especially among guests experiencing thinning hair. Many have noted improvements in hair texture, softness, and overall scalp health after consistent use. The refreshing minty scent and lightweight formulas enhance the user experience, making it a popular choice for those seeking a reliable solution for hair concerns. However, some guests have expressed dissatisfaction with packaging issues and varying results across different systems.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.1 out of 5 stars with 634 reviews
effectiveness: 3.5 out of 5
quality: 3.5 out of 5
value: 3 out of 5
50% would recommend
4 recommendations
5 out of 5 stars
3 April, 2026
originally posted on Nioxin
Genuinely works!
This product genuinely works. My hair had been very slow to grow even years after chemo. After using this kit of products I found noticeable regrowth and thickness.
5 out of 5 stars
Thumbs up graphic, would recommend
14 February, 2026
(no review title)
I love this product because it makes your hair feel so so soft
5 out of 5 stars
17 January, 2026
originally posted on Nioxin
Helpful To Keep Your Hair
I’ve been using this system for several years and my hair is not thinning like before and it’s thicker. I have regrowth I can see. I use the DiaMax Hair thickening lotion from Nioxin as the third part.
1 out of 5 stars
14 January, 2026Verified purchase
Not happy with this package
My package came all beat up and open why would somebody send me an open shampoo and conditioner I paid full price for this and not cheap. I don’t appreciate this at all!!!
1 out of 5 stars
17 October, 2025
originally posted on Nioxin
System 3 is not the same as 5
I just bought System 3 in place of the great product that was discontinued, System 5. Why? Why? My fine, treated hair does not feel the same on No 3. Please ask your Head of R&D to explain to your Marketing Director why System 3 is NOT the same as 5. Last Nioxin purchase from me.
5 out of 5 stars
Thumbs up graphic, would recommend
9 September, 2025Verified purchase
Great hair care set.
Apply it as directed, and the results can be seen.
5 out of 5 stars
8 September, 2025
originally posted on Nioxin
20 years
I've been using Nioxin for over 20 years. At 72 I'm doing better than my friends!
5 out of 5 stars
18 August, 2025
originally posted on influenster.com

Great
[This review was collected as part of a promotion.] Great product for thinning hair. I will definitely be purchasing again as my hair is always falling out and this product is great. It smells amazing too
5 out of 5 stars
10 August, 2025
originally posted on Nioxin
Amazing Product for Thinning Hair
I started using this 5 weeks ago. I have noticed my hair looking and feeling fuller. I have noticed hair growing where it wasn’t originally at my hair line. This is a great product. I’d love to try the others.
5 out of 5 stars
31 July, 2025
originally posted on Nioxin
A HAIRY STORY, Love after first use.
A HAIRY STORY, my journey to Nioxin, how I fell in love with this product after my first use. My rating of this product is 5/5. Hair care has always been very important and top priority and my hygiene regimen. Ever since I was born to teenage life, my father had always had to cut my hair short so it would be easy to maintain (hygiene purposes). Since 2011, I fell in love with this product after the first time I used it. WOW! It was the more product and cheaper ($ per oz.) compared to my previous favorite hair product. I had seen this Nioxin product before at my husband’s favorite hair salons, I never tried it because I thought it might be too expensive. I was amazed after just after my first use!!! The smell was great, it had a minty, herbal smell. It left my scalp felling very clean and fresh, and no itchiness after using it. My hair was silky and shiny all day long. I searched for it on-line shopping sites and bought the starter’s kit ( 3 bottle pack), which included the 12 fl oz. shampoo and conditioner, and the post-shower, leave-in hair regrowth solution. After my started kit, I only order the large 33 oz. bottle shampoo and conditioner set, which was very affordable and last me about 3 months. After 2 years, my bald spot had nearly completely disappeared and was no longer visible. Then in 2019, my husband had started his hair thinning journey. I suggested he try Nioxin and he did. His reaction was “ Wow! this product is amazing!... Why haven’t you told me this sooner? I was about to go insane.” I am attaching some before and after photos as proof that this product really works... my hair & scalp is now fuller. Occasionally, I will use other products, if I forget to pack it while I am traveling or when I forget to order and my re-order (usually two sets at a time) shipments has not arrived, but I definitely noticed the difference of the other products vs this product. I’ve tried all three... from Systems #1 and #2, and #3. I highly recommend this hair product to anyone with hair issues like me and to those who don’t having any hair issues because Nioxin has a variety of formulas to fit everyone’s hair needs.
4 out of 5 stars
27 May, 2025
originally posted on influenster.com

Scalp feels healthier and cleaner
[This review was collected as part of a promotion.] I've recently started using Nioxin System 4 and am enjoying the gentle, yet effective formula so far. Although I haven't used it long enough to see the full results, my scalp feels healthier and cleaner. Looking forward to seeing the long-term benefits! 👍
2 out of 5 stars
Thumbs down graphic, would not recommend
23 May, 2025Verified purchase
So much money for so little product.
Pictures lie. Make sure your read the fluid oz. Got this box, opened it up, and honestly laughed. These bottles are COMICALLY small. They're like cute little travel-sized versions of the shampoo and conditioner you actually wanted. They're parody sized. This stuff isn't THAT effective to charge THAT much for THAT little. Good for a chuckle at your own expense, but these aren't real products for your shower. They'll get lost in there. (Contact lens case down in photo for scale.)
3 out of 5 stars
20 May, 2025
originally posted on influenster.com

Lovely shampoo but no visible results
[This review was collected as part of a promotion.] Three good sized bottles in the kit, the shampoo lathers up well and smells of menthol, left my hair feeling silkier and less greasy. I didn’t notice a difference in thickness so I wouldn’t purchase again.
5 out of 5 stars
20 May, 2025
originally posted on influenster.com

Impressive Results in Just a Few Weeks!
[This review was collected as part of a promotion.] I started using the Nioxin System 2 Kit because my natural hair had been noticeably thinning, and I needed something to help with volume and overall scalp health. After consistent use (around 3 times a week), I genuinely noticed a difference in just a few weeks — my hair feels fuller, stronger, and looks healthier overall. The shampoo gives a refreshing, tingly sensation and leaves my scalp feeling deeply cleansed. The conditioner is lightweight but still moisturizes well, and the scalp treatment is a great finishing touch — it doesn’t weigh down my hair or leave any residue. The ingredients like niacinamide and biotin seem to be doing their job, as I’ve experienced less hair fall and breakage. This kit has definitely become a staple in my haircare routine. Highly recommend if you’re struggling with thinning hair and want visible improvements! My only note would be the cap/packaging did come loose in transit so it did leak slightly!
5 out of 5 stars
7 May, 2025
originally posted on influenster.com

Great for thinning hair
[This review was collected as part of a promotion.] I have found this to be a fantastic routine for my hair. My hair had been thinning due to recent surgery and I found since using these products my hair has vastly improved. The bottles are nicely designed and the product has a lovely smell. I think this range incorporates excellent value for money and I would definitely purchase in the future.
4 out of 5 stars
5 May, 2025
originally posted on influenster.com

Good first impression
[This review was collected as part of a promotion.] This was my first time using Nioxin products. Shampoo has nice texture and minty refreshing scent. It cleanse my scalp well without drying ends. I find conditioner a bit too light for coloured hair, perfect for super fine hair though. Unfortunately I can’t say much about the leave in treatment as no results are being so far. I will continue using it as these type of products need good few months to give noticeable results.
4 out of 5 stars
4 May, 2025
originally posted on influenster.com

Nioxin Hair and Scalp Thickening System 2 Kit
[This review was collected as part of a promotion.] The Nioxin Hair and Scalp Thickening System 2 Kit is thoughtfully formulated for individuals with natural, untreated hair experiencing progressive thinning. This comprehensive system includes three essential products: a shampoo, a conditioner, and a leave-in scalp treatment, all designed to work synergistically. Key ingredients such as niacinamide, biotin, and caffeine are expertly blended to nourish the hair roots, stimulate hair follicles, and strengthen hair strands. Each product in the kit boasts a refreshing minty fragrance, adding to the overall experience. The shampoo is gentle on the scalp and easy to apply, creating a rich lather that effectively cleanses the hair. It efficiently removes buildup—including follicle-clogging sebum and environmental residues—leaving the scalp feeling refreshed. The conditioner is a creamy formula that is rich and concentrated, allowing for minimal product use. It provides excellent hydration and helps detangle hair, making it feel smooth and manageable. The leave-in scalp treatment is delivered as a lightweight mousse, which is easy to apply. It dries quickly without leaving behind any sticky residue, making it a convenient addition to your hair care routine. After using this kit for a few weeks, I have noticed a marked improvement in my hair’s thickness and overall volume. I highly recommend the Nioxin Hair and Scalp Thickening System 2 Kit for anyone looking to enhance the appearance of their hair and combat thinning. It’s definitely worth a try!
5 out of 5 stars
4 May, 2025
originally posted on influenster.com

Healthy Scalp, Fuller Hair
[This review was collected as part of a promotion.] I’ve been using the Nioxin System 2 kit for about a month now, and I’m already noticing a difference in how my scalp feels! The shampoo gives a cool, minty tingle that makes my scalp feel super clean and refreshed. It can be a bit drying on its own, but once I follow up with the conditioner, my hair feels much softer and more manageable. The leave-in treatment is a foamy formula that’s really easy to apply directly to the scalp. It doesn’t make my hair oily, and it adds a little boost of fullness at the roots.My scalp feels healthier, and my hair has more body already. Overall, I’m really enjoying this system and plan to keep using it to see the longer-term results. Definitely recommend you’re dealing with thinning hair and want something that focuses on healthy scalp.
5 out of 5 stars
4 May, 2025
originally posted on influenster.com

Great hair care set , recommended
[This review was collected as part of a promotion.] Came in a simple box , nothing to make it stand out. After using it a few times I could notice a difference in my hair, it definitely felt thicker and was softer, smelt nice but could be a bit stronger , I love the smell of freshly washed hair ! Overall brilliant hair care set , will definitely buy in the future 💖
4 out of 5 stars
4 May, 2025
originally posted on influenster.com

Good product, but if you have a sensitive head, do
[This review was collected as part of a promotion.] It’s a good product. I’ve been using it for almost a month now and I do notice some changes in my hair density. It took a bit to get used to, however. I got a headache after applying the serum, so for people with a sensitive scalp or are migraine prone, I’d suggest taking baby steps. I’ve used the serum religiously but as for the trio, I used it twice weekly. So the effects may be a little delayed because of that.