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| Product Details | |
| Nioxin Bionutrient Protectives Cleanser (System 4) | |
Nioxin Thinning Hair System 4. For fine and noticeable thinning hair that has been permed or colored. If you notice more hair loss and are currently using system 3 you should switch to system 4. Use System 4 scalp theray daliy and use Follicle booster treatment for noticing thinning hair twice a day. |