Weightless leave-in scalp care for natural hair with light thinning and added fullness. Nioxin System 1 Scalp Treatment is the leave-in finishing step for natural, untreated hair with light thinning. Applied from roots through the hair, it refreshes the scalp and helps boost the look of volume and strand fullness without leaving hair greasy or weighed down.
Why you'll love it
- Weightless leave-in scalp care for natural hair with light thinning and added fullness.
- Designed as a leave-in step for targeted hair and scalp care
How to use: Apply to the scalp and/or hair as directed on the product label. Leave in; do not rinse.

















