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Nioxin® Density Defend Diamax Advanced Hair Thickening Hair Serum 3.3 oz.

Nioxin® Density Defend Diamax Advanced Hair Thickening Hair Serum 3.3 oz.

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at JCPenney price tracker

14-day low
$55.00
Sep 13 · JCPenney
Best price
$55.00
−0% vs high
14-day high
$55.00
All stores
$55$55$55
Sep 13Sep 26
  • JCPenney
Lowest in 14 days: $55.00 at JCPenney. Highest: $55.00. Current best is 0% below the 14-day high.

What buyers say

AI summary · 334 reviews

A lightweight serum that delivers noticeable volume and a refreshing feel for many users, though some report no visible thickening after several weeks. A minority find the scent overpowering or experience scalp irritation.

Liked

  • Lightweight, non-greasy texture
  • Easy-to-use pump dispenser
  • Instant volume and fullness

Complaints

  • No visible thickening after consistent use
  • Strong chemical or minty scent
  • Causes scalp irritation or burning
  • Leaves hair feeling oily or greasy

Generated by AI from real customer reviews at JCPenney — may miss nuance. Summarized Sep 2026.

About this product

NIOXIN Density Defend Diamax Advanced Hair Thickening Hair Serum is a 3.3 oz. serum formulated to address thinning hair. It contains niacinamide, caffeine, and panthenol to support scalp health and enhance hair volume. The lightweight formula absorbs quickly without leaving residue. Suitable for curly, straight, coily, and wavy hair types. Designed for daily use, it provides a non-greasy finish ideal for styling. Manufactured in the US.

  • 3.3 oz travel size
  • targets thinning hair
  • contains caffeine and niacinamide
  • suitable for all hair types
  • non-greasy formula
  • made in the US

Based on 334 reviews at JCPenney

Read all 334 reviews on JCPenney

AskPrice does not host review text. We aggregate the public rating from the retailer and link to the source for full reviews.

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Nioxin® Density Defend Diamax Advanced Hair — Price History