Nioxin System 4 Scalp Therapy Conditioner
A lightweight conditioner that helps provide hair resilience and moisture balance control to noticeably thinning, fine, chemically treated hair.
How to use:
- After cleansing, distribute onto scalp and throughout the hair.
- Leave on for 1–3 minutes.
- Rinse well. Use daily.
What Does this Do:
Scalp Access Delivery System With vitamins, botanicals, SPF 15 sunscreen, and purifying agents to help clean away follicle-clogging sebum and environmental residues from the scalp, while helping provide sun protection for the scalp.
BioAMP With cystine amino acids, and lightweight conditioning and treatment ingredients; helps provide thicker-looking hair by increasing the fullness of each hair strand, and reducing hair loss.
| Key Features | Details |
|---|---|
| Scalp Protection | SPF 15 sunscreen, purifying agents |
| Moisture Control | Lightweight, balances moisture in thinning, fine hair |
| Active Ingredients | Vitamins, botanicals, cystine amino acids |
| Usage | Daily, after cleansing |
FAQ
Can this conditioner be used on color-treated hair?
Yes, it is formulated for chemically treated hair and helps maintain moisture balance without weighing down the strands.
Does it help reduce hair loss?
Yes, the BioAMP technology with cystine amino acids helps increase hair fullness and reduce hair loss over time.
Is the SPF 15 protection sufficient for daily outdoor use?
The SPF 15 provides sun protection for the scalp, which is beneficial during prolonged sun exposure, but reapplication may be needed in intense conditions.

Hannah Walker –
I’ve used this conditioner for three months now and notice my hair feels stronger and fuller. It doesn’t leave a greasy feel, which is great for fine hair. The scalp feels clean and protected, especially during summer.
James Bower –
My hair has been thinning after chemical treatments, and this conditioner has helped improve the texture. It’s light and easy to apply. I still see some shedding, but it’s less than before.
Thomas Oliver –
The SPF in the formula is a nice addition. I wear a hat less often now because my scalp feels protected. It’s a daily must-have for my routine.
Olivia Stewart –
Works well with my regular shampoo. After using it consistently, my hair looks thicker and feels more resilient. No buildup or residue after rinsing.
Blake Newman –
I tried several conditioners for thinning hair, and this one stands out. It’s gentle, effective, and keeps my hair looking healthy without making it look oily.