Nioxin System 2 Liter Duo
System 2 Liter Duo Includes:
| Product | Volume |
|---|---|
| System 2 Cleanser | 33.8 oz |
| System 2 Scalp Therapy | 33.8 oz |
System 2 delivers denser-looking hair while strengthening against damage.
System 2 is specially designed for noticeably thinning, fine, natural hair. It delivers denser-looking hair and a healthy shine while protecting the scalp.
FAQ
How does System 2 help with fine or thinning hair?
System 2 is formulated to improve the appearance of fine or thinning hair by enhancing density and adding a healthy shine. It works by strengthening hair strands and protecting the scalp, which supports overall hair health.
Can I use System 2 Cleanser and Scalp Therapy together?
Yes, the System 2 Liter Duo includes both the cleanser and scalp therapy, which are designed to be used together as part of a daily hair care routine for optimal results.
Is System 2 suitable for all hair types?
System 2 is specifically designed for naturally thinning or fine hair. It may not provide the same benefits for thick or coarse hair types.

Bernadette Greene –
I’ve been using the System 2 Liter Duo for three months now. My fine hair looks fuller and has more body. The scalp therapy helps reduce itchiness and makes my hair feel healthier. I notice a visible difference in density after just a few weeks.
Jake McLean –
The cleanser and scalp treatment work well together. My hair feels cleaner and shinier. It’s especially helpful for my thinning hair at the crown. I would recommend it to anyone with fine or fragile strands.
Katherine Rampling –
After switching from a regular shampoo, I see a noticeable improvement in how thick my hair looks. The scalp therapy is gentle and doesn’t dry out my skin. I use it every other day and feel confident in my hair’s appearance.