System 1 amplifies hair texture and protects hair against breakage.

System 1 is specially formulated as a hair thickening treatment, delivering denser-looking hair. It reduces hair loss due to breakage and strengthens the hair, while refreshing the scalp and delivering a healthy shine to natural hair with light thinning.

Complete professional thickening treatment for natural hair with light thinning
For amplified hair texture and protection against breakage
Helps remove follicle-clogging sebum, fatty acids and environmental residues from scalp and hair
Refreshed scalp and increased hair volume
Increased fullness of each hair strand

*Due to packaging redesign and improvements, these may not reflect exactly the product you receive*