Gain thicker and fuller-looking hair with Nioxin’s Intensive Diaboost Thickening Xtrafusion Treatment. It increases the thickness of each existing hair strand for fuller looking hair, as if you have up to 11,000 more hair strands.

The hair becomes manageable, fuller and noticeably thicker after just one use. Diameter-boosting Diaboost with HTX technology includes ingredients which provide notable benefits for skin care such as caffeine, panthenol and niacinamide that deliver visibly thicker-looking hair instantly.

Nioxin’s leave-on treatment boosts the existing hair diameter instantly, increasing the thickness of each hair strand for fuller-looking hair.

Application:

Use morning or evening, on wet or dry, natural hair or coloured hair, with all styling products. It can be used alone or as the perfect addition to a current hair care regime.

FREE SHIPPING ON ORDERS OVER $75!

All orders are shipped with the fastest and cheapest NZ Post courier services. If you spend over $75, you qualify for free shipping. Please note we have aimed to keep our prices low, as we know everyone is facing a tough time out there.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.