System 4 is specially designed for noticeably thinning, fine, chemically-treated hair. It delivers denser-looking hair while protecting the scalp and providing moisture balance to coloured hair.
Volumizing, cosmetic leave-on treatment for noticeably thinning hair – contains an SPF 15 sunscreen to protect scalp skin, and antioxidants and botanicals to help provide a refreshed scalp environment.
Helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair.
A lightweight conditioner that helps provide hair resilience and control moisture balance.
Contains antioxidants and botanicals that help to provide a refreshed scalp environment.