NIoxin System 4 Cleanser and Scalp Therapy Duo
NIoxin System 4 Cleanser Shampoo and Scalp Therapy Duo is formulated for noticeably thinning chemically treated hair. It gently cleanses and removes environmental residue and DHT. The product adds thickness from within the cuticle and strengthens the hair shaft. It provides color protection for hair and helps safeguard the scalp from the drying effects of chemical services. It also protects nutrients and delivers moisturizing nourishment to the scalp and hair.
Product Includes
| Item | Size |
|---|---|
| Cleanser (Shampoo) | 16.9 oz (500 ml) |
| Scalp Therapy (Conditioner) | 10.1 oz (300 ml) |
FAQ
Can this product be used on color-treated hair?
Yes, the product provides color protection and is suitable for color-treated hair.
Does the Scalp Therapy help with dandruff?
The Scalp Therapy moisturizes the scalp and supports scalp health, which may help reduce flaking over time.
Is this product suitable for chemically treated thinning hair?
Yes, it is specifically designed for noticeably thinning chemically treated hair.

Donna Walker –
I’ve used this duo for three months after a series of chemical relaxers. My hair feels stronger and fuller. The cleanser removes buildup without stripping, and the scalp treatment keeps my scalp soft. My color stays vibrant and I notice less breakage.
Austin Mills –
The shampoo is gentle and effective at cleaning without drying my hair. The scalp conditioner leaves my scalp feeling nourished. I’ve seen a slight improvement in thickness, especially at the roots.
Harry Henderson –
After switching from a regular shampoo, my hair feels more resilient. The product protects against environmental damage and helps maintain color. I appreciate the balanced formula that doesn’t weigh down my hair.