---
product_id: 202250886
title: "NIOXIN Density Defend Diamax Advanced Hair Thickening Serum | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz"
brand: "nioxin"
price: "388.85 DT"
currency: TND
in_stock: true
category: "Nioxin"
url: https://www.desertcart.tn/products/202250886-nioxin-density-defend-diamax-advanced-hair-thickening-serum-with-caffeine
store_origin: TN
region: Tunisia
---

# Energizes scalp for improved follicle activity Boosts hair strand diameter +20% Strengthens & protects hair to reduce breakage NIOXIN Density Defend Diamax Advanced Hair Thickening Serum | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz

**Brand:** nioxin
**Price:** 388.85 DT
**Availability:** ✅ In Stock

## Summary

> 💥 Unlock your hair’s full potential with every drop!

## Quick Answers

- **What is this?** NIOXIN Density Defend Diamax Advanced Hair Thickening Serum | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz by nioxin
- **How much does it cost?** 388.85 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/202250886-nioxin-density-defend-diamax-advanced-hair-thickening-serum-with-caffeine)

## Best For

- nioxin enthusiasts

## Why This Product

- Trusted nioxin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breakage Barrier:** Strengthens hair structure to reduce breakage and maintain resilient locks.
- • **Scalp Supercharge:** Infused with caffeine and niacinamide to energize follicles and promote healthy growth.
- • **Universal Hair Ally:** Suitable for all hair types, seamlessly integrating into your daily grooming ritual.
- • **Volumize Every Strand:** Advanced formula visibly thickens each hair strand for a fuller, denser look.
- • **Salon-Grade Confidence:** Trusted professional treatment ranked top 200 in hair regrowth solutions.

## Overview

NIOXIN Density Defend Diamax Advanced Hair Thickening Serum is a salon-grade treatment designed to visibly thicken hair by boosting strand diameter, strengthening hair to reduce breakage, and energizing the scalp with caffeine and niacinamide. Suitable for all hair types, this 3.38 fl oz serum supports fuller, healthier-looking hair with daily use.

## Description

desertcart.com: NIOXIN Density Defend Diamax Advanced Hair Thickening Serum | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz : Beauty & Personal Care

## Features

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086G3LFD1 |
| ASIN  | B086G3LFD1 |
| Best Sellers Rank | #22,820 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #167 in Hair Regrowth Treatments |
| Brand Name | NIOXIN |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,049) |
| Hair Type | All |
| Item Form | Serum |
| Item Highlight | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz |
| Item Volume | 0.34 fluid ounces |
| Item Weight | 3.4 ounces |
| Item model number  | 3614228816113 |
| Manufacturer | Nioxin |
| Manufacturer  | Nioxin |
| Manufacturer Part Number | 3614228816113 |
| Model Number | 3614228816113 |
| Number of Items | 1 |
| Product Dimensions  | 2.25 x 2.36 x 6.89 inches; 3.4 ounces |
| Recommended Uses For Product | Professional Salon & Spa |
| Scent Name | Unscented |
| Unit Count | 3.38 Ounce |

## Product Details

- **Brand:** NIOXIN
- **Item Form:** Serum
- **Item Weight:** 3.4 ounces
- **Recommended Uses For Product:** Professional Salon & Spa
- **Scent:** Unscented

## Images

![NIOXIN Density Defend Diamax Advanced Hair Thickening Serum | With Caffeine, Niacinamide & Panthenol for Thicker, Fuller-Looking Hair 3.38 Fl Oz - Image 1](https://m.media-amazon.com/images/I/61aRjYwq5iL.jpg)

## Questions & Answers

**Q: Does the nioxin diamax get combed thru the hair or just applied at scalp?**
A: I am happy to answer this for you today.

The following is manufacture instructions for best results:
Apply evenly throughout the scalp. Massage gently at the roots and comb through. Do not rinse off. For exceptional results use daily on wet or dry hair.

I hope this answered your question today.
Have a Wonderful Nioxin Hair Day!

**Q: Can this be used with the hair thickrning spray?**
A: Thank you for contacting Nioxin Professional. We value your loyalty to our brand. Yes, Nioxin's Thickening Spray can be used with Diamax. Diamax should be focused at the root whereas the thickening spray should be used mid length to ends.

**Q: Is this sulfite free?**
A: Thank you for contacting Nioxin. We value your brand loyalty.
Nioxin Diamaz Hair Thickening Treatment is sulfate free.

**Q: Would this also be considered a heat protectant?**
A: I use this product when I wash my hair...it is great strengthening serum...love it...Highly recommended by my hairdresser...however, to be safe I still use a heat protectant

## Frequently Bought Together

- Nioxin Density Defend Diamax Advanced Hair Thickening Serum With Caffeine, Niacinamide & Panthenol For Thicker, Fuller-Looking Hair 3.38 Fl oz
- Nioxin Night Density Rescue Serum | Overnight Hair Thickening Serum | Protects Against Hair Breakage | Intensive Treatment with Oxydine | 2.4 Fl oz.
- Nioxin Hair Booster Serum | Advanced Leave-In Hair Treatment| Strengthens and Conditions | 3.4 Fl oz.

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**Shop now:** [https://www.desertcart.tn/products/202250886-nioxin-density-defend-diamax-advanced-hair-thickening-serum-with-caffeine](https://www.desertcart.tn/products/202250886-nioxin-density-defend-diamax-advanced-hair-thickening-serum-with-caffeine)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-12*