Nioxin System 4 Scalp + Hair Thickening Treatment 100ml
Nioxin Pro Clinical System Kit 4 Scalp + Hair Thickening Treatment is formulated for natural, untreated hair with progressed thinning. Clinically and dermatologically tested, this advanced leave-on treatment delivers a concentrated dose of antioxidants, botanicals, and essential nutrients directly to the scalp—creating a healthier foundation for thicker, fuller-looking hair.
Enriched with UV-protecting ingredients, it shields both scalp and strands from external damage while boosting volume and enhancing the density of each strand. With continued use, hair appears more resilient, refreshed, and vibrant.
| Product Details |
|---|
| Volume: 100ml |
| Form: Leave-on treatment |
| Target: Natural, untreated hair with progressed thinning |
| Key Ingredients: Antioxidants, botanicals, essential nutrients, UV-protecting compounds |
FAQ
How should I apply the Nioxin System 4 treatment?
Apply a small amount to dry scalp after washing hair. Massage gently into the scalp and leave on for 3–5 minutes before rinsing with water.
Can this treatment be used with other hair care products?
Yes, it can be used as part of a regular hair care routine. Apply after shampooing and before conditioning for best results.
Is this product suitable for all hair types?
It is designed for natural, untreated hair with progressed thinning. Results may vary depending on individual hair and scalp conditions.

Zoe Howard –
I’ve used this treatment for three months and notice a visible increase in volume. My hair feels healthier and looks fuller, especially at the roots. The scent is mild and doesn’t irritate my scalp.
Samantha Reid –
It works well for thinning hair. I apply it once a week after shampooing. My hair feels more resilient and I see less breakage over time.
Grace Mackenzie –
After using this treatment consistently, my hair density has improved noticeably. The UV protection helps keep my strands from fading in sunlight.
Vanessa Kelly –
It’s effective but I need to use it regularly to see results. I apply it every other week and feel a slight improvement in thickness after a month.
Steven Dyer –
I have fine hair and this treatment has helped me feel more confident. My hair looks fuller and I don’t notice as much shedding anymore.