Nioxin Diaboost Advanced Hair Thickening Serum 100ml
Nioxin Diaboost Advanced Hair Thickening Serum 100ml
pay in 4 installments of $12.93
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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
Instructions for Use:
1. Apply a small amount of the serum directly to your scalp.
2. Gently massage the serum into your scalp using circular motions.
3. Do not rinse out.




Product Information
Directions
1. Apply a small amount of the serum directly to your scalp. 2. Gently massage the serum into your scalp using circular motions. 3. Do not rinse out. 4. For best results, use daily as part of your hair care routine.
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.
Shipping
Australian Orders
Australian OrdersAustralia Post Standard Delivery* (2-7 Business Days
Orders under $50-$7.95
Orders over $50 Free
Australia Post Express Delivery** (1-3 Business Days)
Orders under $50 $9.90
Orders over $50 $5.95
Postage Insurance$2.95
Complete protection for loss or damage during transit*
Returns & Refunds
We accept returns on unused, unopened items within 30 days of delivery.
Faulty, damaged or reaction-related returns may be eligible for a refund, exchange or store credit — conditions apply.
Please note:
- Products must be in original condition
- Return shipping costs are the customer’s responsibility (unless the item is faulty or sent in error)
- Makeup and fragrance are not eligible for change-of-mind returns
Contact us at customerservice@ry.com.au to request a return.
View our full Returns & Refunds Policy Here

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