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Nioxin

Diaboost Advanced Hair Thickening Serum 100ml

Rated 5.0 out of 5 stars. 1 5-star review.

$48.30

$69.00

Save 30% ($20.70)

Sale ends: 24/05/2026 11:59pm AEST

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Returns & Exchange

30-Day Returns

We want you to love your purchase, but if you have changed your mind, we will offer a refund or exchange on most items within 30 days of purchase. Please note, exchanges are only available in-store. For online purchases, we’ll provide a refund instead.

*For purchases made in November and December, you can refund or exchange until 31 January the following year.

Our policy including the change of mind limits do not exclude or replace your rights under Consumer Guarantees of the Australian Consumer Law, regulations or otherwise as required by law.

Please make sure the item meets our Returns Policy and that:

• The return is made within 30 days of purchase
• Items are unworn or in their original condition
• Items are not clearance, reduced to clear or Big & Bulky
• Items are not listed as exclusions in our Returns Policy
• You have acceptable proof of purchase

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Highlights

  • Formulation: Serum

  • Formulation: Serum
  • Ingredients Disclaimer: Ingredients and product information may be subject to change. Always refer to the product packaging for the most up-to-date information.

Unlock the secret to thicker, fuller hair with Nioxin Diaboost Hair Thickening Serum, proven to instantly boost hair diameter and protects hair against breakage, allowing it to grow longer* (with daily use). Our advanced formula is specifically designed to boost hair thickness and density, giving you thicker, fuller-looking hair instantly.


** This powerful treatment not only enhances the thickness of your hair but also strengthens and nourishes it from within, leaving it more manageable.

With ingredients like caffeine and niacinamide, Diaboost thickens the hair at the roots whilst also protecting against hair breakage.

Try this hair thickening treatment daily alongside your Nioxin Scalp+ Hair Thickening System for optimal results.


*Nioxin Money Back Guarantee is applicable on selected Nioxin products

** vs non-conditioning shampoo

Product Ingredients: 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.

Product code 196478740

Item code 196480600

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Diaboost Advanced Hair Thickening Serum 100ml

$48.30

$69.00

Save 30% ($20.70)

Sale ends: 24/05/2026 11:59pm AEST

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