What is it: A 3-step professional system including a shampoo, conditioner, and leave-on treatment, clinically designed to target progressed thinning for colour-treated or dry, damaged hair.

The Scalp + Hair Thickening Treatment contains UV protecting ingredients for the scalp and hair.

Why you'll love it: System Kit 4 delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. Clinically and dermatologically tested, delivering thicker, fuller hair in 30 days.

Featured ingredients: Formulated with powerful ingredients like niacinamide, wild mint oil, peppermint oil, and caffeine.