Nioxin System #4 Trial Kit

**Your coloured hair’s defence against advanced thinning**

When your hair’s been through the works - colour, heat, styling - and now you’re noticing it’s looking thinner than you’d like, it’s time for a salon-grade reset. The Nioxin System #4 Trial Kit is made for colour-treated, dry or damaged hair with progressed thinning, working to cleanse, strengthen, and protect so you can enjoy thicker-looking, fuller-feeling locks.

With a clinically tested 3-step routine, this powerhouse kit removes follicle-clogging residue, helps restore moisture balance, and shields your hair colour from fading. You’ll notice improved scalp comfort, strand resilience, and a boost in density - all in as little as 30 days.