This Product |
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Texture |
Serum |
Serum |
Serum |
Hair Type |
All hair types |
All hair types |
All hair types |
Benefits |
Thickens hair at the roots and provides hair breakage protection |
Strengthens and thickens hair from the root |
Reduces hair fall & rejuvenates scalp overnight |
Other benefits |
Boosts hair diameter, strengthens and protects, nourishes and energizes the scalp |
Improves hair density, reduces hair loss, and thickens hair from 1st use |
Increases hair density, anti-aging intensive treatment |
Reduces hair fall |
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Summary
Unlock the secret to thicker, fuller hair with Nioxin Diamax Advanced Hair Thickening Serum, proven to instantly boost hair diameter and protects hair against breakage, allowing it to grow longer* (with daily use).
Benefits
- Fuller, Thicker-Looking Hair: Nioxin Intensive Diamax Advanced is a hair thickening treatment that enhances the appearance of fuller, thicker hair.
- Boosts Hair Diameter: This advanced formula boosts the diameter of each individual hair strand, creating a voluminous and thicker look.
- Strengthens and Protects: The treatment strengthens and protects the hair, reducing breakage and promoting healthier, more resilient strands.
- Nourishes and Energizes the Scalp: Diamax Advanced nourishes the scalp, providing essential nutrients and energizing the hair follicles for improved hair growth.
- Suitable for All Hair Types: Diamax Advanced is suitable for all hair types and can be used daily as part of your hair care routine.
- Apply a small amount of the serum directly to your scalp.
- Gently massage the serum into your scalp using circular motions.
- Do not rinse out.
- For best results, use daily as part of your hair care routine.
Pre-caution: Do not get into the eyes. Keep out of reach of children. For any questions or concerns about side effects, always consult a medical professional.
Alcohol Denat., Aqua/Water/ Eau, Niacinamide, Peg/Ppg-20/23 Dimethicone, Caffeine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Parfum/Fragrance, Glycerin, Tetrahydroxypropyl Ethylenediamine, Mentha Arvensis Leaf Oil, Mentha Piperita (Peppermint) Oil, Peg-30 Dipolyhydroxystearate, Benzyl Salicylate, Hexyl Cinnamal, Trideceth-6, Alpha-Isomethyl Ionone, Limonene, Linalool, Citronellol.
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Questions
Ask a QuestionQ&A
Showing 5 out of 55 Questions
- Q
My hair is so thin and I am a diabetic, which is really bad for your hair anyway. My hair has broken off in CHUNKS! It looks horrible and is HUMILIATING! I don't even leave my house anymore!😢. I am using the generic form of Rogaine- for women, can I use this also? Or should I just use one or the other? Brittle and breakage...I mean SERIOUS BREAKAGE is my issue plus my hair is extremely fine/thin so it looks even worse and is more noticeable. It broke off behind/above ears, all around crown and some underneath!! Help! Any other ideas? Or advice? I'm all ears! No pun intended ugggh!
- Asked by Annie
- Official Answer By Nioxin - Brand EngageYou may use this product along with Rogaine. Yo may want to get your hair tripped to help even things out, give the style a shape, and removing split ends.Was this answer helpful to you
- Q
Does this work if I let my hair dry naturally? Also, is this thickening only temporary or does it actually help thicken each strand of hair after long term use?
- Asked by Mel
- Official Answer By Nioxin - Brand EngageIt works best as a styling aid when blown dry to reach full potential. It does penetrate each hair making it thicker stronger and protecting it against damage. A wonderful 2-in-1 product.Was this answer helpful to you
- Q
Can you tell me The differences between this advanced product and the regular one?
- Asked by frankie
- Official Answer By Nioxin - Brand EngageThe main difference is that the Advanced will provide up to 8 hours of the look and feel of having 11,000 more strands of hair on your head. Was this answer helpful to you
- Q
Is this a styling product or a treatment product?
- Asked by Frankie
- Official Answer By Nioxin - Brand EngageIt is both! It penetrates each hair strand making it thicker fuller and strengthened against breakage, while it gives added volume and definition to hair that is blown dry after application. This is truly a remarkable product.Was this answer helpful to you
- Q
I have the 3 piece kit, 3-D root booster, night density rescue & diamax advanced. I only wash my hair every other day. What products can I use day and night on days when I don't wash my hair & in what order should I apply them? Thanks!
- Asked by Sally
- Official Answer By Nioxin - Brand EngageThe Diamax Advanced should only be used before blow drying and styling your hair. The 3-D Root Booster should be used twice daily. And the night density rescue is to be used at night. In the morning I would recommend applying the Root Booster prior to the Diamax. On days that you shampoo in the morning use all of the system kit products prior to applying the Root Booster and Diamax. In the evening apply the Hair Booster followed by the Night density Rescue. If you are shampooing in the evening apply products in the following order: Shampoo, Conditioner, Root Booster, Scalp & Hair Treatment then the Night Density Rescue. Was this answer helpful to you
Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
My Beauty Routine Takes
- 1930 Minutes
- 910 Minutes
- 31+ Hour
Best Uses
- 18Daily Use
- 16Women
- 13Hair Loss
- 8Color-treated Hair
- 8Limpness/Lifelessness
Describe Yourself
- 19Brand Buyer
- 12Beauty Conscious
- 9Budget Shopper
- 4Survivalist / Minimalist
- 2Product Junkie
Hair Type
- 16Straight Hair
- 5Very Curly Hair
- 3Wavy Hair
Most Helpful Positive Review
Really Actually Works
I'm in my 50's and my hair is beginning to thin in certain areas. I've always had very thick, but fine, hair so I've never had to deal with thinning hair. This product actually made my hair feel thicker from the very beginning in the areas I was concerned about. It made my hair feel denser yet soft ...
Most Helpful Critical Review
I have used it 5 times and still cannot see the difference
The product information states that you will be able to see the difference after 1 use. I have used it 5 times and still cannot see any difference. The product is easy to use, does not burn or cause any other scalp irritation but I also have not seen any evidence of it thickening my hair
401 results
Like the way it feels
Verified Reviewer
Reviewed at

Just bought it I put on dry hair makes hair feel good and full
Disappointing
Hair Type Straight Hair
Very disappointed in this product. Ulta was out of the usual mist type Nioxin thickening spray that I use so thought I would try this one. It was gummy, sticky & weighed my thin hair down. Also, my hair had do much static I had to use hair paste to keep it down & a ton of hairspray. Waste of $$$$!
Absolutely Never Again
Hair Type Very Curly Hair
For this price? My hair just sucks all the water out of this product for what! I would need a lot of this bottles for a month. And now No effect or anything at all ! Naaaaa not worth it! Waist of money
Couldn't give it a fair shot
Verified Reviewer
Submitted as part of a sweepstakes entry
Reviewed at

I was excited to try this product but I suffer from seborrheic dermatitis and it made my already itchy scalp worse. I do suffer from hair loss, so I toughed it out for about a month. I enjoyed the thin consistency and convenient applicator. It didn't leave a residue on my scalp or hair, compared to other products. However, because the hair takes so much time to grow, I would need to use a product like this for much longer to speak on hair growth benefits.
Have used this for years
I have used this in combination with the Nioxin thickening (now root lifting) spray and if I dont style my hair with both, my hair is flat and does not hold any sort of style. I do notice a major improvement in how much thicker my hair looks and feels acter using both products together. My only real complaint is how expensive it is. I use immediately before blow drying and a bottle lasts me about 2 months or so.