If your Fine, chemically treated hair is progressively thinning, this #1 salon brand to volumize and revitalize hair is for you. The Nioxin Professional System 4 is a 3-part regime of complementary products that work in unison to deliver resilient, denser looking hair and a refreshed scalp.
System 4 Shampoo 300ml
FOR COLORED HAIR WITH PROGRESSED THINNING
What is it: A 3-step professional system including a shampoo, conditioner, and leave-on treatment, clinically designed to target progressed thinning for color-treated or dry, damaged hair.
The Scalp + Hair Thickening Treatment contains UV protecting ingredients for the scalp and hair.
Why you'll love it: System 4 delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. Clinically and dermatologically tested, delivering thicker, fuller hair in 30 days.
Featured ingredients: Formulated with powerful ingredients like niacinamide, wild mint oil, peppermint oil, and caffeine.
THICKENS THE HAIR: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days.
SUPPORTS SCALP HEALTH: advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles.
REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color.
NOURISHES THE SCALP: infused with nourishing ingredients, antioxidants, and UV protecting ingredients, this kit's Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.
How to use
1 Apply shampoo to scalp and gently massage evenly. Rinse thoroughly.
2 Rub conditioner from root to ends. Rinse thoroughly.
3 Apply the treatment to scalp and hair, from roots to ends. Do not rinse.
4 Use the complete system at least 3 times/week for visible results.
Frequently Asked Questions About Product
Size?
How to Use?
What are the Ingredients?
What happens if what I ordered is out of stock?
We do everything we can to fulfill orders quickly and unfortunately cannot make updates after an order has been placed. In the case that we are out of stock a refund will be issued
Shipping and Returns?



Standard Postage which includes tracking with Signature to ensure you get your delivery - By Using Postage with a Signature this will help protect yourself from missing deliveries.
REDUCES HAIR LOSS due to breakage and strengthens hair, while refreshing the scalp and delivering a healthy shine.
If your Fine, chemically treated hair is progressively thinning, this #1 salon brand to volumize and revitalize hair is for you. The Nioxin Professional System 4 is a 3-part regime of complementary products that work in unison to deliver resilient, denser looking hair and a refreshed scalp.
System 4 Shampoo 300ml
FOR COLORED HAIR WITH PROGRESSED THINNING
What is it: A 3-step professional system including a shampoo, conditioner, and leave-on treatment, clinically designed to target progressed thinning for color-treated or dry, damaged hair.
The Scalp + Hair Thickening Treatment contains UV protecting ingredients for the scalp and hair.
Why you'll love it: System 4 delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. Clinically and dermatologically tested, delivering thicker, fuller hair in 30 days.
Featured ingredients: Formulated with powerful ingredients like niacinamide, wild mint oil, peppermint oil, and caffeine.
THICKENS THE HAIR: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days.
SUPPORTS SCALP HEALTH: advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles.
REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color.
NOURISHES THE SCALP: infused with nourishing ingredients, antioxidants, and UV protecting ingredients, this kit's Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.
How to use
1 Apply shampoo to scalp and gently massage evenly. Rinse thoroughly.
2 Rub conditioner from root to ends. Rinse thoroughly.
3 Apply the treatment to scalp and hair, from roots to ends. Do not rinse.
4 Use the complete system at least 3 times/week for visible results.





