Nioxin System 4 Duo 1 Litres

Revitalise and volumise limp, thinning hair with NIOXIN's three part regime. Dedicated to delivering fuller looking hair while refreshing the scalp and providing moisture balance, the NIOXIN System 4 for Fine, Noticeably Thinning, Chemically Treated Hair is a unique system of complementary products that work in unison to achieve resilient, denser looking hair and a refreshed scalp.

NIOXIN System 4 Cleanser Shampoo for Fine, Noticeably Thinning, Chemically Treated Hair 1 Litre:

Step one in a three part regime, the Cleanser Shampoo has been specially formulated to intensify fullness and restore moisture balance in fine, noticeably thinning, chemically treated hair. Uniquely fortified with advanced technologies, the shampoo with thickening BioAmp? and scalp rejuvenating Glyco-Shield? helps remove follicle clogging sebum, fatty acids and environmental residues that accumulate daily on the scalp and hair. Deeply cleansing, the innovative formula will leave your hair full, thick and strong.

NIOXIN System 4 Scalp Revitaliser Conditioner for Fine, Noticeably Thinning, Chemically Treated Hair 1 Litre:

Step two conditions fine, noticeably thinning, chemically treated hair to a lightweight formula that enhances resilience and controls moisture balance. NIOXIN's System 4 Scalp Revitaliser Conditioner is a unique blend of cuticle strengthening BioAmp? and scalp rejuvenating Glyco-Shield? with white tea extract and peppermint oil, proven to deliver noticeably thicker, fuller looking hair and a healthy, protected scalp. Hair breakage will be reduced and roughed up cuticles nourished for healthy, fuller looking hair.

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.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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