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💥 Unlock fuller, thicker hair—because your roots deserve the best!
Nioxin Diamax Advanced is a premium 3.38 oz serum designed for thin hair, featuring HTX technology with caffeine, panthenol, and niacinamide to visibly thicken hair for up to 8 hours while protecting roots from damage and breakage. Clinically favored and unscented, it supports longer, stronger hair growth with daily use.













| ASIN | B086G3LFD1 |
| ASIN | B086G3LFD1 |
| Best Sellers Rank | #195,539 in Beauty ( See Top 100 in Beauty ) #1,598 in Hair Regrowth Treatments |
| Brand Name | NIOXIN |
| Customer Reviews | 4.4 4.4 out of 5 stars (991) |
| Customer reviews | 4.4 4.4 out of 5 stars (991) |
| Date First Available | 21 June 2020 |
| Hair Type | Thin |
| Item Form | Serum |
| Item Volume | 0.34 Fluid Ounces |
| Item Weight | 3.4 Ounces |
| Item model number | 3614228816113 |
| Liquid Volume | 3.4 Fluid Ounces |
| Manufacturer | Nioxin |
| Manufacturer | Nioxin |
| Number of Items | 1 |
| Product Benefits | With ingredients like caffeine & niacinamide, Diamax thickens the hair at the roots and protects against breakage. |
| Product Dimensions | 5.72 x 5.99 x 17.5 cm; 96.39 g |
| Scent Name | Unscented |
| Unit Count | 3.38 Ounce |
A**R
This works!!! Worth every penny!
My hair is thinning badly due to low iron and a 100lb glp-1 weight loss. It has been a very depressing time. My hairdresser said a lot of her clients were having luck with this - and WOW! It’s amazing. My hair feels healthier and is definitely thicker, enabling me to style it to cover the thin or bald areas. Combined with a Nutrafal regimen, I have had real growth and am finally feeling better about myself. Give it a try if you suffer with hair loss like me!
B**.
This works
It's a great product. I find it really works. It's unscented. My hair is thicker. I would definitely buy this again. Update...it's full of caffeine which I am allergic to. Made me very ill. Buyer beware. There should be a warning ⚠️ on the label!!!
P**K
Works great
I bought it for my postpartum hair loss. My hair were falling out like crazy but after using this product it stopped and I actually have lots of baby hair. I thought the product will be oily but it is more like just a liquid and it doesnt leave hair greesy.
J**.
Great value
If you already love this product, buying it this way is a great value. Having it delivered right to your door is incredibly convenient. I’ve noticed that it seems to support healthier hair overall — helping with breakage and making my hair feel stronger. It also appears to promote better growth by supporting the hair at the root. Overall, a convenient and cost-effective way to keep this staple on hand.
M**A
Good product but expensive
Price is too much. But it helps. It is not comparable to head and shoulders tonic but unfortunately it is discounted.
Trustpilot
3 days ago
2 days ago